Though the five One Direction lads looked happy on the outside, they struggled to cope with their drastic rise to fame, which practically happened overnight. Niall Horan, Louis Tomlinson, Zayn Malik, ...

So this is what One Direction without Zayn Malik is like. The four remaining band members -- Niall Horan, Liam Payne, Harry Styles and Louis Tomlinson -- appeared on James Corden's "The Late Late Show ...