2001 (age 15): LaBeouf first scored as an affable dork on Disney's Even Stevens
NOW (22): The new action hero has a place on the A-list as heir to Indiana Jones
2002 (age 17): The Emperor's Club
showcased Hirsch's precocious talent.
NOW (23): Into the Wild
and Speed Racer
show his range—and hot features.
1996 (age 15): Gordon-Levitt shone as the alien-next-door on Third Rock from the Sun
NOW (27): He plays quietly handsome leads in indie faves like The Lookout
1992 (age 11): A baby-faced Wood was already a critical darling in Radio Flyer
NOW (27): He's got box office cred thanks to the Lord of the Rings
2001 (age 14): Before dropping the Li'l, Bow Wow was a pup on Moesha.
NOW (21): His "Shortie Like Mine" is a more grown-up hip-hop hit.
2001 (age 16): Dano played a cowlicked teenager gone astray in the drama L.I.E.
NOW (24): Films like There Will Be Blood
make Dano the go-to quirky guy.
2004 (age 17): Bell was a fresh-faced newcomer on Nickelodeon's Drake & Josh
NOW (22): The Superhero Movie
actor is also a rocker with two CDs under his belt.
2000 (age 14): Peck was adorably chubby-cheeked playing hooky in Snow Day
NOW (21): This funnyman lost more than 100 lbs., but not an ounce of charm.