16. Justin Bieber
The Biebs has gone from a YouTube sensation to a full-fledged pop icon. Now 18-years-old, he's finally got a grip on his style and developed his own swag. Gone are the days of his signature purple hoodie, "Bieber hair," and Supra sneakers. He's got a well-edited closet now, and it's full of dope leathers, varsity jackets, designer sneakers, and grown-up suits. He just dropped his new album Believe and he wants his music to appeal to everyone — Bieber's coming for you. Swaggy.