Simon Cowell reveals he almost 'punched 90s boyband icon in the face'

Simon Cowell pictured at the BGT auditions - (PA Wire)

Simon Cowell has opened up about a tense moment when he nearly punched one of the biggest stars of a 90s boy band.

In the documentary Boybands Forever, produced by Louis Theroux and airing on BBC Two, some of the most iconic pop stars of the 90s and early 2000s reflect on how their dreams of fame turned into living nightmares.