Can You Guess Which Hollywood Heartthrob Tweeted Out This Adorable Childhood Pic? (PHOTOS)
Before this actor made ladies swoon in rom-coms and beyond, he too was just a little tyke playing dress up. Looks like he's always had the acting bug!
Any guess as to who it could be?
We'll give you a hint -- it's his birthday today, and he has two different movies coming out this summer. Still don't know? Put on your thinking cap, and play our guessing game in the gallery!