Happy Birthday, Dylan O'Brien!

It's a birthday bonanza of hot guys today, starting with Dylan O'Brien who turns 24. While the Teen Wolf star isn't known for getting out of his clothes on that series, his starring role in the teen romance The First Time did get him shirtless for a love scene. Dylan is currently gearing up for the release of Maze Runner: The Scorch Trials, the sequel to his action film from last year.