If you need a model for your men's underwear line, there's no doubt David Beckham is the best man for the job. "Late Late Show" host James Corden teamed up with Beckham, for an over-the-top underwear commercial that will have you laughing your butt off. The British comedian and retired soccer stud both stripped down to their tighty-whities for the fake commercial created for Corden's new show.