One Direction Premieres 'This Is Us' in London

Thousands of screaming teenagers took over the streets of central London Tuesday as One Direction debuted their much-anticipated documentary, One Direction: This Is Us. The beloved British boy banders, Liam Payne, Harry Styles, Zayn Malik, Niall Horan and Louis Tomlinson, hit the red carpet amid teeny-bopper hysteria for the world premiere of their first 3D tour film...