3. It's hard to imagine LOST without Jack Shephard as the group leader. Where would the show have been without him? Had the show's writers gotten their way, we would have learned the answer to that question. When the show was pitched to ABC, Jack Shephard's character was supposed to be killed after the pilot episode, and Kate was supposed to take on more of a leadership role in the series.
5. Unlike most boy-band dudes going solo, he never sounds like he's sweating to get taken seriously – he never loses touch with the exuberance and swagger he brought to One Direction in the first place. So get used to this man – you'll be hearing a lot more from him.