Hard to believe but at one point Justin Bieber, Chace Crawford, Joe Jonas, Zac Efron, Robert Pattinson, Lee Min Ho and Super Junior were once babies. Cute ones at that. If you think some of the top 10 cutest boys are cute now…wait until you get a load of these baby pictures:

Baby, baby, baby…ohhhh! Why, yes. That is Justin Bieber. Technically, he’s still a baby (compared to me) but wow, was he a cute baby. Look who he’s grown up into:

We heart you too, Justin.

Probably the only time we’ll be able to see Chace Crawford naked. If only, if only…

Who would’ve thought this blonde-haired child on a leash would grow up to be Robert Pattinson, the man that most women in the world would drop their panties at the mere mention of his name? I’m sure there are women out there that would love to see this same picture, but with him at his present age:

If only Babies Before Flowers were an actual drama — I’m sure Lee Min Ho would’ve been cast in it. Luckily this Korean cutie grew into a handsome man best known for his Boys Before Flowers character Gu Joon Pyo. He also loves Dunkin’ Donuts:

Zac Efron might’ve been 17 Again, but I don’t think we’d mind if he was a baby again. If I didn’t know the baby in the picture was Zac Efron, Zac Efron would’ve been one of my guesses becacuse of the eyes:

Clearly, Joe Jonas was cut out for showbiz, even as a baby. My, how he’s grown up:

And here’s the last 12 baby pictures. For those of you unfamiliar with Asian pop music, these babies are actually now a part of a massive Korean boy group called Super Junior:

In your opinion, who are the cutest boy celeb babies?