The former pop stars reminisce about their early success, and reflect on the tensions that culminated in Ian 'H' Watkins and Claire Richards' departure from the group

The five members convene to discuss their past differences over dinner, before the girls head to Marbella, and Lee visits H's home in Wales. The chart-toppers had a string of hits in the late 1990s and early 2000s, before H and Claire announced their resignation from the group