Don't expect warts-and-all exposé in 'One Direction: This Is Us'

Directed by Morgan Spurlock of ‘Supersize Me’ fame, ‘One Direction: This Is Us’ is the story of five lads – Niall Horan, Zayn Malik, Liam Payne, Harry Styles, Louis Tomlinson – and their meteoric rise to fame.

Except, sadly, this is not their full story, warts and all.