Comedian Josh Wolf, comedian Margaret Cho and TV personality Ross Mathews

Comedian Jo Koy, comedian Natasha Leggero and comedian John Caparulo

The incomparable Kevin Spacey is here to talk about his new film Casino Jack. Comedian Chris Franjola, comedian Whitney Cummings and E!'s own Michael Yo.

From One Tree Hill, Sophia Bush is here and were going to find out if she wants to be anything other than what she's been trying to be lately. Comedian Brad Wollack, actress-comedian Arden Myrin and comedian Dov Davidoff

One of our favorite people ever Zach Gilford is here to tell us about his new show Off the Map. Comedian Jo Koy, comedian Sarah Colonna and comedian Jason Sklar

The unmatched Roseanne Barr is here with her new book Roseannearchy. Comedian Josh Wolf, comedian Matt Braunger and TV personality Ross Mathews

Sara Bareilles and her chart topping album Kaleidoscope Heart are on the show tonight. Comedian Bobby Lee, comedian Loni Love and comedian T.J. Miller

Find out what Denis Leary has going on, hint: a new comedy special, a new book and the new Spider-Man movie. Comedian Josh Wolf, comedian Natasha Leggero and comedian Jason Sklar.

The newly engaged Ginnifer Goodwin from HBO's Big Love joins us tonight. Comedian Greg Proops, comedian Whitney Cummings, and TV personality Ross Mathews

Matt LeBlanc is here to tell us about the very funny new Showtime series he stars in, Episodes. Comedian Chris Franjola, writer Diablo Cody and comedian Dan Levy

TV host Piers Morgan on his new show, Piers Morgan Tonight; Round table discussion with comics Chris Hardwick, Rove McManus, and Jo Koy.

Actor Wilmer Valderrama on his new film, From Prada to Nada; Round table discussion with comics Gary Valentine, Ross Mathews, and Sarah Colonna.

Taraji P. Henson is back and has a lot going on including the new Lifetime movie Taken From Me: the Tiffany Rubin Story. Comedian Bobby Lee, actress-comedian Arden Myrin and comedian Ben Gleib

The headline-making director of the new film Red State, Kevin Smith is here. Comedian Brad Wollack, comedian Dov Davidoff and comedian Natasha Leggero.

Our good friend Kevin Nealon is here from the new movie Just Go With It. Comedian Joy Koy, E!'s own Michael Yo and comedian John Caparulo

Rachel Bilson is here from the new film Waiting for Forever. Comedian Bill Bellamy, comedian Whitney Cummings and comedian Chris Franjola

The staff plays in a men vs. women football challenge in honor of the upcoming Superbowl. Comedian Josh Wolf, comedian Heather McDonald and comedian Lavell Crawford.

Jennifer Aniston is back to tell us about her new movie Just Go With It. Comedian Chris Hardwick, comedian Sarah Colonna and comedian Ryan Stout

From the No. 1 movie in America The Roommate, Minka Kelly is here. Comedian Joy Koy, actress-comedian Arden Myrin and comedian Greg Proops.

James Blunt is here and he's got a new album called Some Kind of Trouble. Musician Jeff Wild, TV personality Ross Mathews and comedian Gary Valentine

From the new Fox drama The Chicago Code Jennifer Beals is here. Comedian Josh Wolf, comedian Loni Love and comedian Mo Mandel

Star of the film Justin Bieber: Never Say Never, Justin Bieber is here tonight. Comedian Jim Norton, comedian Heather McDonald and TV personality Ross Mathews

Fourteen-time Grammy Nominee Cyndi Lauper is here telling us about her new album, Memphis Blues. Comedian Joy Koy, comedian Fortune Feimster and comedian John Caparulo

Lo Bosworth, author of The Lo Down joins us tonight. Comedian Brad Wollack, comedian Natasha Leggero and comedian Wil Anderson

Donald Schultz is back with some new animal friends. Comedian Josh Wolf, comedian Jen Kirkman and comedian Joe Matarese

Emmy Rossum is here from the hit Showtime series Shameless. Happy Presidents Day, girl. Comedian Dan Levy, comedian Sarah Colonna and comedian Josh Wolf

Sports Illustrated swimsuit cover model Irina Shayk joins us tonight. Comedian Joy Koy, actress-comedian Arden Myrin and comedian Bobby Lee

Jason Biggs is here to tell us about his new show Mad Love. Comedian Joe DeVito, comedian Loni Love, and TV personality Ross Mathews

From the very funny new film Hall Pass Jason Sudeikis is here. Comedian Chris Franjola, writer Diablo Cody and comedian Ben Gleib

With her brilliant new album, 21, the fantastic Adele joins us tonight. Comedian Greg Fitzsimmons, comedian Heather McDonald and comedian Josh Wolf

Lil Jon, Shawty Putt and Chuy debut their new music video here tonight. Seriously. Comedian Chris Franjola, comedian Sarah Colonna and comedian Jo Koy

From the new movie Take Me Home Tonight, Anna Faris is here. Comedian Jeff Wild, comedian Natasha Leggero and TV personality Ross Mathews

Isla Fisher is here from the new film Rango. Comedian Brad Wollack, comedian Fortune Feimster and comedian Gary Valentine

We kick things off things in Australia with one of their faves, Sophie Monk. Comedian Chris Franjola, comedian Heather McDonald and comedian Celia Pacquola.

Musician Henry Rollins. Comedian Brad Wollack, comedian Heather McDonald and comedian Adam Richard

Zookeeper Nick De Vos is here tonight with some of his Australian animal friends. Comedian Jeff Wild, comedian Sarah Colonna and comedian Chris Franjola

Look who we ran into Down Under...Rihanna joins the show tonight. Comedian Josh Wolf, comedian Fortune Feimster and comedian Adam Hills

Singer Avril Lavigne on her new album, Goodbye Lullaby; Round table discussion with comics Brad Wollack, Natasha Leggero, and Matt Braunger.

Designer Vera Wang on her new fragrance, Preppy Princess; Round table discussion with comics Chris Hardwick, Jo Koy, and Sarah Colonna.

Actress Carla Gugino on her new film, Elektra Luxx; Round table discussion with comics Chris Franjola, Loni Love, and Greg Proops.

Brittany Snow from Harry's Law and the cover of Maxim joins us tonight. Comedian Jim Norton, comedian Jen Kirkman and TV personality Ross Mathews

Author of Pink Boots and a Machete, National Geographic's Mireya Mayor is here with some animal friends. Comedian Ben Gleib, comedian Fortune Feimster and comedian Josh Wolf.

Tonight we gladly welcome back country superstar Blake Shelton. E!'s own Michael Yo, comedian Heather McDonald and comedian Jo Koy

Legendary film producer and Jew Jerry Weintraub is here with his documentary, His Way. Comedian Joe Matarese, actress-comedian Arden Myrin and comedian John Caparulo

From Scream 4 Shenae Grimes is on the show tonight. Comedian Dov Davidoff, comedian Dan Levy and TV personality Ross Mathews

From the No. 1 film Hop, James Marsden joins us tonight. Comedian Brad Wollack, writer Diablo Cody and comedian Gary Valentine

Nutritionist and author or Body Confidence Mark Macdonald is here. Comedian Chris Hardwick, comedian Sarah Colonna and comedian Matt Braunger

Zooey Deschanel is here telling us about her new movie, Your Highness. Comedian Josh Wolf, comedian Erin Gibson and comedian Jo Koy

Actress Elizabeth Berkley is here with her new book Ask Elizabeth. Comedian Chris Franjola, comedian Jeff Wild and TV personality Ross Mathews

Anything can happen with Fringe's Joshua Jackson on the show tonight. Comedian Bobby Lee, comedian Heather McDonald and comedian Ryan Stout

Find out if Adam Brody lives of dies in Scream 4 tonight. Comedian Bill Bellamy, actress-comedian Arden Myrin and comedian Josh Wolf

JoAnna Garcia Swisher from Better With You joins us tonight. Comedian John Caparulo, comedian Jen Kirkman and comedian Greg Fitzsimmons

Want to go double or nothing (see Tuesday) on Hayden Panettiere living or dying in Scream 4? Comedian Fortune Feimster, comedian Natasha Leggero and comedian Sarah Colonna

From the new film The Conspirator Robin Wright is here. Comedian Josh Wolf, comedian Natasha Leggero and comedian Michael Yo

From Duran Duran Simon LeBon and Nick Rhodes are here to talk their latest CD All You Need Is Now. Comedian Ben Gleib, comedian Brad Wollack and comedian Jo Koy

Ziggy Marley tells us about his new comic book Marijuanaman tonight. Comedian Lavell Crawford, comedian Heather McDonald, and TV personality Ross Mathews

The very Swedish Malin Akerman is here tonight with her new movie The Bang Bang Club. Comedian Chris Franjola, comedian Loni Love and comedian Chris Hardwick

Gwyneth Paltrow is on the show tonight with her new book My Father's Daughter. Comedian Dan Levy, comedian-actress Arden Myrin and comedian Bobby Lee

The Pretty Reckless' Taylor Momsen talks Gossip Girl and her album Light Me Up. Comedian John Caparulo, comedian Sarah Colonna and comedian Jo Koy

Comedian Matt Braunger, comedian Jen Kirkman and comedian T.J. Miller

From In Plain Sight, our good friend Mary McCormack is here. Comedian Fortune Feimster, comedian Gary Valentine and TV personality Ross Mathews

Tyrese Gibson, from the No. 1 movie in America, Fast Five, is on the show tonight. Comedian Josh Wolf, comedian Heather McDonald and comedian Brad Wollack

From the new film Jumping the Broom the delightful Paula Patton is here. Comedian Chris Hardwick, comedian Loni Love and comedian Jo Koy

Melissa McCarthy is here from the very funny new movie Bridesmaids. Comedian Joe Matarese, comedian Chris Franjola and TV personality Ross Mathews

Dita Von Teese is here to fill us in on her latest endeavors including her MargaDita. Comedian Fortune Feimster, comedian John Caparulo and comedian Greg Fitzsimmons

From the new film Everything Must Go, Will Ferrell is here tonight. Comedian Jen Kirkman, comedian Whitney Cummings and comedian Jo Koy

Paul Bettany shows us he's an action star in his new film Priest tonight. Comedian Jeff Wild, comedian Sarah Colonna and comedian Chris Franjola

Judd Apatow is here to tell us about his new film Bridesmaids. Comedian Jim Norton, comedian Natasha Leggero and comedian Josh Wolf.

One of the hosts of E!'s Fashion Police Kelly Osbourne is on the show tonight. Comedian Fortune Feimster, comedian John Caparulo and comedian Loni Love

Kellan Lutz is here with his new film Love, Wedding, Marriage. Comedian Greg Proops, comedian Heather McDonald and comedian Jo Koy

From the very funny film Bridesmaids. Maya Rudolph is here. Comedian Josh Wolf, comedian Mo Mandel and TV personality Ross Mathews

We gladly welcome back Lucy Liu, star of Kung Fu Panda 2, to the show. Comedian Brad Wollack, actress-comedian Arden Myrin and E! News' Michael Yo

Our favorite dawg, American Idol's Randy Jackson is here and In It to Win It. Comedian Chris Hardwick, comedian Sarah Colonna and comedian Bobby Lee

From The Hangover Part II, Justin Bartha is on the show tonight. Comedian Ben Gleib, comedian Jo Koy and comedian Gary Valentine

Glee's Matthew Morrison is here and he has a new self-titled debut CD. Comedian Josh Wolf, comedian Dov Davidoff and Comedian Natasha Leggero.

Eva Mendes tells us about her latest film, Last Night, on the show tonight. Comedian Chris Franjola, comedian Jen Kirkman, and TV personality Ross Mathews.

Donald Schultz is back with some new animal friends. Comedian Whitney Cummings, comedian Chris Franjola and comedian Brad Wollack.

From the show Covert Affairs fellow New Jersian Piper Perabo is here. Comedian Matt Braunger, comedian Heather McDonald and comedian Josh Wolf.

Lucky magazine cover girl Lauren Conrad is here telling us all about her new clothing line. Comedian Chris Franjola, comedian Sarah Colonna and comedian Ben Gleib.

Author of Growing Up in Heaven, medium James Van Praagh is on the show tonight. Comedian Natasha Leggero, comedian Jo Koy and comedian Ryan Stout

Comedian-host Rove McManus, comedian Jen Kirkman and TV personality Ross Mathews

From Gene Simmons Family Jewels Gene Simmons rocks out with us tonight. Comedian Bobby Lee, actress-comedian Arden Myrin and comedian Josh Wolf

Star and executive producer of HawthoRNe Jada Pinkett Smith is here. Comedian Margaret Cho, comedian Fortune Feimster and TV personality Ross Mathews

Limp Bizkit has new album, Gold Cobra, and Fred Durst is here to tell us about it, and it's 2011. E! Correspondent Michael Yo, comedian Jo Koy and comedian Heather McDonald

If you're a big Padma Lakshmi fan—and who isn't—tune in tonight to learn all about Bravo's Padmathon. Comedian-host Chris Hardwick, comedian John Caparulo and comedian Josh Wolf

Connie Britton (Mrs. Coach!) from Friday Night Lights is here: Clear eyes, full hearts can't lose. Comedian Mo Mandel, comedian Loni Love and comedian Brad Wollack

Author of Found, Tatum O'Neal tells us all about her new show, Ryan & Tatum: The O'Neals. Comedian Greg Proops, comedian Natasha Leggero and comedian Chris Franjola.

Emily Mortimer from the highly anticipated Cars 2 is on the show tonight. Comedian Josh Wolf, comedian Jo Koy and comedian Sarah Colonna.

Ten-time world champion Pro Surfer Kelly Slater is here. Comedian Matt Braunger, actress-omedian Arden Myrin and TV personality Ross Mathews.

Gabourey Sidibe from The Big C makes her return to the show tonight. Comedian Greg Fitzsimmons, Comedian Jen Kirkman and comedian Whitney Cummings.

Tonight we welcome Liv Tyler from the movie The Ledge. Comedian Loni Love, comedian Jo Koy and comedian Gary Valentine

From Transformers: Dark of the Moon, Rosie Huntington-Whiteley is here. Comedian Fortune Feimster, comedian Josh Wolf and comedian Ben Gleib

Actress Jennifer Aniston on her new movie Horrible Bosses; Round table discussion with comics Jo Koy, Arden Myrin, and Chris Franjola

Actress Rosario Dawson on her new movie Fire with Fire; Round table discussion with comics Joe Matarese, Ross Mathews, and Sarah Colonna

From Horrible Bosses Jason Sudeikis is here. Comedian Jen Kirkman, comedian Josh Wolf and comedian Bobby Lee

Comedian John Caparulo, comedian Josh Wolf and comedian Loni Love

Round table comics include Michael Yo (@MichaelYo), Jen Kirkman (@JenKirkman) and Ross Mathews (@helloross). Tonight's guest is Joe Manganiello who plays the character Alcide on "True Blood".

Round table comics include Jeff Wild (@jiffywild), Natasha Leggero (@natashaleggero) and Jo Koy (@JoKoy).

Round table comics include Chris Franjola (@ChrisFranjola), Arden Myrin (@ArdinMyrin) and Bobby Lee (@bobbyleelive). Tonight's guest, Vanessa Carlton (@VanessaCarlton), just released her new CD "Rabbits OnThe Run".

Round table comics include Josh Wolf (@joshwolfcomedy), Gary Valentine (@Cmplmnt_Accptd) and Matt Braunger (@Braunger). Taryn Manning (@TarynManning) is on the show tonight to tell us about her latest film, "The Perfect Age of Rock 'n' Roll".

Round table comics include John Caparulo (@JohnCaparulo), Fortune Feimster (@fortunefunny) and Ben Gleib (@bengleib). We welcome back "America's Got Talent" judge Sharon Osbourne to the show tonight.

Martha Plimpton on her show Raising Hope; Round table discussion with comics Joe Matarese, Sarah Colonna, and Ross Mathews.

Actress Lisa Kudrow on her new show Web Therapy; Round table discussion with comics Jo Koy, Heather McDonald, and Brad Wollack.

Actress Mary McCormack on her show In Plain Sight; Round table discussion with comics Josh Wolf, Loni Love, and Ryan Stout.

Actor Michael Vartan from "Colombiana". Round table comics include Mo Mandel (@momandel), Arden Myrin (@ArdenMyrin) and Ross Mathews (@HelloRoss).

Actress Rose McGowan on her movie Conan The Barbarian 3D; Round table discussion with comics Jo Koy, Heather McDonald, and Bobby Lee.

Actress Bryce Dallas Howard on her movie The Help; Round table discussion with comics Chris Hardwick, Jen Kirkman, and Matt Braunger.

Country singer Trace Adkins on hosting American Country Awards; Round table discussion with comics Josh Wolf, Chris Franjola, and Fortune Feimster.

Actress Elizabeth Banks on her new movie The Hunger Games; Round table discussion with comics Josh Wolf, Sarah Colonna, and Greg Fitzsimmons.

Actor Denis Leary on the final season of Rescue Me; Round table discussion with comics Jo Koy, Loni Love, and Jeff Wild.

Actress Anne Hathaway on her movie The Dark Knight Rises; Round table discussion with comics Greg Proops, Heather McDonald, and Ross Mathews.

Actor Christopher Mintz-Plasse on his movie Fright Night 3D; Round table discussion with comics Brad Wollack, Fortune Feimster, and Dov Davidoff.

Round table guest host Ross Mathews with comics Chris Franjola (@ChrisFranjola), Arden Myrin (@ArdenMyrin) and Josh Wolf (@JoshWolfComedy). Tonight's guest is Joey Lawrence (@joeylawrence).

Round table comics include Ben Gleib (@BenGleib), Heather McDonald (@HeatherMcDonald) and Gary Valentine (@Gary_Valentine). Tonight's guest is Zoe Saldana (@zoesaldana).

Round table comics include Dov Davidoff (@Dovdavidoff), Sarah Colonna (@SarahColonna) and Matt Braunger (@Braunger). Tonight's guest, Rashida Jones, plays a big lesbian lawyer in "Our Idiot Brother".

Round table comics include Chris Hardwick (@nerdist),Jen Kirkman (@JenKirkman) and Ryan Stout (@StoutRyan). Jessica Chastain plays Celia Foote in "The Help".

Round table comics include Bill Bellamy (@BILLBELLAMY), Fortune Feimster (@fortunefunny) and Jo Koy (@Jokoy). "Jersey Shore's" Snooki is on the show tonight.

Round table comics include John Caparulo (@JohnCaparulo), Josh Wolf (@joshwolfcomedy) and Jeff Wild (@jiffywild). From MTV's "Awkward," Ashley Rickards (@AshRickards) is here.

Round table comics include Brad Wollack (@BradWollack), Heather McDonald (@HeatherMcDonald) and Greg Fitzsimmons (@GregFitzShow). Lake Bell from "A Good Old Fashion Orgy" is here.

Round table comics Jo Koy (@JoKoy), Arden Myrin (@ardenmyrin) and Gary Valentine (@Gary_Valentine). It's Labor Day America and we're celebrating with Usher and Belvedere tonight.

Round table comics include Chris Franjola (@ChrisFranjola), Iliza Shlesinger (@iliza) and Matt Braunger (@Braunger). Gloria Estefan (@GloriaEstefan) is here with the latest on her new album, "Miss Little Havana."

Dave Grohl is on the show tonight telling us all about the Foo Fighters album and tour. Comedian Bobby Lee, comedian Jen Kirkman and comedian Josh Wolf.

James Marsden from the movie Straw Dogs is on the show tonight. Comedian Chris Hardwick, comedian Sarah Colonna and comedian Ben Gleib.

Round table comics include Brad Wollack (@BradWollack), Loni Love (@LoniLove) and TJ Miller (@nottjmiller). Tonight's show...Chelsea's big headed brother, gay book agent & Chuy are cooking food for Rosh Hashanah.

Round table comics include Jo Koy (@JoKoy), Heather McDonald (@HeatherMcDonald) and Joe Matarese (@TheJoeMatarese). From the new movie "Bucky Larson: Born to Be a Star", Nick Swardson (@iAmNickSwardson) is here tonight.

Round table comics include Mo Mandel (@momandel), Natasha Leggero (@natashaleggero) and Gary Valentine (@Gary_Valentine). Kate Bosworth from the movie "Straw Dogs" is on the show tonight.

Round table comics include Greg Proops (@GregProops), Fortune Feimster (@fortunefunny) and Josh Wolf (@JoshWolfComedy). From the new show "Free Agents" Kathryn Hahn is here.

Round table comics include Michael Yo (@MichaelYo), Chris Franjola (@ChrisFranjola), Jo Koy (@Jokoy). From the new movie "50/50," Anna Kendrick (@AnnaKendrick47) is on the show tonight.

Round table comics include Moshe Kasher (@moshekasher), Sarah Colonna (@SarahColonna) and Ross Mathews(@HelloRoss). Anthony Mackie (@TheRealAmackie) is here telling us about his latest movie, "Real Steel."

Round table comics include Chris Hardwick (@nerdist), Jen Kirkman (@JenKirkman) and Lavell Crawford (@Lavellthacomic). Bush's Gavin Rossdale is on the show tonight with the latest on their new album, "Sea of Memories."

Round table comics include Bobby Lee (@bobbyleelive), Arden Myrin (@ardenmyrin) and Dov Davidoff (@dovdavidoff). Rachel Bilson is here telling us about her new show, "Hart of Dixie."

Round table comics include Jo Koy (@JoKoy), Whitney Cummings (@WhitneyCummings) and Ben Gleib (@BenGleib). From the new show "Ringer", tonight's guest is Sarah Michelle Gellar.

Round Table guests include John Caparulo, Tiffany Haddish, Josh Wolf and interview guest Kate Walsh.

Round Table guests include Fortune Feimster, Jim Breuer, Ross Mathews and interview guest Dylan McDermott.

Round Table guests include Brad Wollack, Heather McDonald, Ryan Stout and interview guest Cheryl Hines

Round table comics include Chris Franjola (@ChrisFranjola), Arden Myrin (@ArdenMyrin) and Gary Valentine (@Gary_Valentine).Tonight's guest is Emily VanCamp.

Round Table guests include Ross Mathews, Loni Love, Jeff Wild and interview guest Anna Faris.

Round Table guests include Jen Kirkman, Josh Wolf, Bill Bellamy and interview guest Jane Lynch.

Round table guest host Ross Mathews with comics Chris Franjola (@ChrisFranjola), Heather McDonald (@HeatherMcDonald), Michael Yo (@itsMichaelYo). Tonight Ross will interview Kendra Wilkinson-Baskett and Hank Baskett from "Kendra".

From the MTV series Good Vibes, Debi Mazar is here. Comedian Greg Fitzsimmons, comedian Sarah Colonna and comedian Bill Bellamy

From the movie The Ides of March Evan Rachel Wood is on the show tonight. Comedian Brad Wollack, comedian Jen Kirkman and comedian Matt Braunger.

Gloria Steinem is on the show telling us about her new film Gloria: In Her Own Words. Comedian Bobby Lee, comedian Fortune Feimster and comedian Chris Hardwick.

Actress and author of Devoted, Hilary Duff is here tonight. Comedian Gary Valentine, producer Dan Maurio and comedian Chris Franjola.

Orlando Bloom talks about his latest film The Three Musketeers on the show tonight. Comedian Josh Wolf, actress-comedian Arden Myrin and comedian Jo Koy.

Emilio Estevez is here telling us about his movie The Way. Comedian Ben Gleib, comedian Iliza Shlesinger and TV personality Ross Mathews.

Fashion icon Iman is on the show tonight. Comedian Mo Mandel, comedian Loni Love and comedian T.J. Miller.

Round table comics include John Caparulo (@JohnCaparulo), April Richardson (@Apey) and Ross Mathews (@HeeloRoss). Tonight's guest is Mike "The Situation" Sorrentino from MTV's "Jersey Shore".

Round table comics include Joe Matarese (@TheJoeMatarese), Natasha Leggero (@NatashaLeggero) and Josh Wolf (@JoshWolfComedy). Tonight's guest is T.I., a Grammy award winning rapper turned author whose debut novel titled, "Power and Beauty".

Round table comics include Jeff Wild (@jiffywild), Heather McDonald (@HeatherMcDonald) and Lavell Crawford (@Lavellthacomic). Tonight's guest is dancing his little tochus off on "Dancing With The Stars", David Arquette.

Round table comics include Brad Wollack (@BradWollack), Ali Wong (@aliwong3000) and Ryan Stout (@StoutRyan). Tonight's guest is a 4-time CMA female vocalist of the year and has just realeased her eleventh album titled, "Eleven", Martina McBride.

Round table comics include Dan Levy (@DanLevy), Arden Myrin (@ArdenMyrin) and Ross Mathews (@HelloRoss).

Round table comics include Bobby Lee (@BobbyLeeLive), Sarah Colonna (@SarahColonna) and Jo Koy (@JoKoy). Merry Christmas! Justin Bieber is here with his new album, "Under the Mistletoe".

From the new film Immortals, Stephen Dorff is here tonight. Comedian Moshe Kasher, comedian Fortune Feimster and comedian Josh Wolf

Star of iCarly Miranda Cosgrove is on the show tonight. Comedian Ben Gleib, comedian Loni Love and comedian Greg Fitzsimmons

Round table comics include Michael Yo (@MichaelYo), Jen Kirkman (@JenKirkman) and Gary Valentine (@Gary_Valentine). Tonight's guest is Dave Attell.

Round table comics include Chris Franjola (@ChrisFranjola), Tiffany Haddish (@TiffanyHaddish) and Josh Wolf (@JoshWolfComedy). Tonight's guest is animal naturalist David Mizejewski interviewed by guest host Ross Mathews.

Round table comics include Dan Maurio (@dmaurio), Hearther McDonald (@HeatherMcDonald) and Dov Davidoff (@DovDavidoff). Tonight's guest is Mindy Kaling from "The Office" and author of her new book "Is Everyone Hanging Out Without Me? (And Other Concerns)".

Round table comics include Brad Wollack (@BradWollack), Sarah Colonna (@SarahColonna) and T.J. Miller (@NotTJMiller). Tonights guest is Ellen Barkin from "Another Happy Day".

Tonight's guest, Kirsten Dunst, is the star of the film "Melancholia".

Round table comics include Sarah Colonna (@SarahColonna), Kerri Kenney-Silver (@kerrikenney) and Liz Carey (@thelizcarey). Tonight's guest is Denise Richards who stars in Spike's "Blue Mountain State".

Round table comics include Chris Hardwick (@nerdist), Fortune Feimster (@FortuneFunny) and Matt Braunger (@MattBraunger). Tonight's guest is Shailenne Woodley.

Round table comics include Jo Koy (@JoKoy), Loni Love (@LoniLove) and Josh Wolf (@JoshWolfComedy). Tonight's guest is Miranda Lambert.

Round table comics include Ben Gleib (@BenGleib), Heather McDoland (@HeatherMcDonald) and Bill Bellamy (@BILLBELLAMY). Tonight's guest is Miss Piggy.

Round table comics include John Caparulo (@JohnCaparulo), Jen Kirkman (@JenKirkman) and Ross Mathews (@HelloRoss). Tonight's guest is musical artist Drake.

Round table comics include Brad Wollack (@BradWollack), Natasha Leggero (@NatashaLeggero) and Josh Wolf (@JoshWolfComedy).

Round table comics include Bobby Lee (@Bobbyleelive), April Richardson (@Apey) and Chris Franjola (@ChrisFranjola). Tonight's guest is R&B Singer Ms. Mary J. Blige.

Round table comics include Greg Fitzsimmons (@GregFitzShow), Fortune Feimster (@FortuneFunny) and Josh Wolf (@JoshWolfComedy). Tonight's guest is Victoria Secret Angel Miranda Kerr.

Round table comics include Sarah Collona (@SarahColonna), Kerri Kenny-Silver (@KerryKenny) and Ross Mathews (@HelloRoss). Tonight's guests are the guys from "After Lately", Brad Wollack, Chris Franjola and Jiffy Wild.

Round table comics include Moshe Kasher (@moshekasher), Arden Myrin (@ArdenMyrin) and Gary Valentine (@Gary_Valentine). Tonight's guest is Whitney Cummings.

Round table comics include Jiffy Wild, Loni Love and Matt Braunger. Tonight's guest is actor Scott Porter.

Round table comics include Chris Franjola (@ChrisFranjola), Tiffany Haddish (@TiffanyHaddish) and Brad Wollack (@BradWollack). Tonight's guest is from "Happy Endings" on ABC, Casey Wilson.

Round table comics include John Caparulo (@JohnCaparulo), Heather McDonald (@HeatherMcDonald) and Ross Mathews (@HelloRoss). Tonight's guest is actor Gary Oldman.

Round table comics include Bobby Lee (@BobbyLeeLive), Jen Kirkman (@JenKirkman) and Dov Davidoff (@DovDavidoff). Tonight's guest stars in the new show "I Hate My Teenage Daughter", Jamie Pressly.

Round table comics include Josh Wolf (@Josh Wolf Comedy), Louis Virtel (@LouisVirtel) and Jo Koy (@JoKoy). Tonight's guest is Chloë Grace Moretz, staring in the movie "Hugo".

Round table comics include Margaret Cho (@MargaretCho), Fortune Feimster (@FortuneFunny) and Diablo Cody (@DiabloCody). Six-time Grammy Award winner Toni Braxton is on the show telling us about her show Braxton Family Values.

Round table comics include Dan Maurio (@dmaurio), Loni Love (@LoniLove) and Josh Wolf (@JoshWolfComedy). Hip Hop Artist and actor Common is here to tell us about his new album, The Dreamer, The Believer, and his show, Hell on Wheels.

Ben Gleib, Natasha Leggero, Ross Mathews

Round table comics include John Caparulo, Sarah Colonna and Bill Bellamy. Tonight's guest is Kenneth Branagh.

Round table comics include Mo Mandel, Heather McDonald and Greg Fitzsimmons. Tonight's guest is Robin Thicke.

Round table comics include Josh Wolf, Jen Kirkman and Joe Matarese. Tonight's guest is Patton Oswalt.

Round table comics include Michael Yo, Fortune Feimster & Ross Mathews. A New Year's Cooking Segment with Chef Roy Handler.