One Direction – This Is Us – stills

L-r, Harry Styles, Louis Tomlinson, Zayn Malik, Niall Horan and Liam Payne star in TriStar Pictures’ “One Direction:This Is Us.”

L-r, Zayn Malik, Liam Payne, Harry Styles, Niall Horan and Louis Tomlinson in TriStar Pictures’ One Direction: This Is Us.

LONDON, ENGLAND – AUGUST 19: (L-R) Liam Payne and Niall Horan behind the scenes at the photo call and press conference for “One Direction This Is Us” at Big Sky Studios on August 19, 2013 in London, England. Photo by Cal Auran

LONDON, ENGLAND – AUGUST 19: (L-R) Liam Payne, Harry Styles, Niall Horan, Zayn Malik and Louis Tomlinson attend a press conference for “One Direction This Is Us” at Big Sky Studios on August 19, 2013 in London, England. (Photo by Ian Gavan/Getty Images for Sony Pictures