Although Matt Damon doesn't look a day over kick-a**-action-star, Damon turns the big 4-1 today. But just like the heartthrob bad guy chasers before him, Damon won't let his growing collection of birthdays slow him down. Check out these photos of Damon from Snakkle before he knew how to throw a mean right hook ("The Bourne Identity") or have his way with a rugby ball ("Invictis").
Ever since his high school days, Damon had the makings of a full on Hollywood heatthrob. Click through to Snakkle to see more pics of Matt Damon throughout the years.