Which Teen Mom's Baby Daddy Posted This Adorable Childhood Picture? (PHOTO)

Amber Portwood’s baby daddy used to be a stylish blond toddler, but nowadays, he likes to rock T-shirts and baseball caps over his dark brown hair!

We think he looks a lot like his daughter, Leah, though, which is downright adorable.

Apparently (according to his Twitter), a lot of people thought it was Matthew McConaughey, and that’s quite a compliment.

Did you know it was Gary Shirley? Tell us below, and then click here to play more “Guess Who?”