And I was like, baby, baby, baby, oh... Justin Bieber! As the new face (and body) for Calvin Klein, the superstar will most likely gain a whole new crop of "Beliebers" as he shows off his washboard abs and tats while wearing nothing more than Calvin Klein underwear. In some of the ad photos, he also wears Calvin Klein jeans and model Lara Stone, but is anyone really noticing?? Yeah, back to the body. Exactly. Now that the Biebs seems to be growing up, let's hope his attitude does as well. In the meantime, enjoy the pecs - I meant pics.