If you didn't get to see One Direction's movie This Is Us while it was in theaters or maybe you did, and you just want to watch it over and over again you're in luck.
The boys in One Direction, Harry Styles, Zayn Malik, Niall Horan, Louis Tomlinson and Liam Payne, were on hand at London's Leicester Square Tuesday evening for the world premiere of their new 3D concert documentary, One Direction: This Is Us.