Sasha Pieterse

February 17, 1996 — Johannesburg, South Africa

Sasha Pieterse (born 17 February 1996) is a South African-born American actress. She is best known for her leading role as Alison DiLaurentis in the mystery-drama hit series "Pretty Little Liars" (2010-17) and in its spin-off "Pretty Little Liars: The Perfectionists" (2019).