79. Emma Stone
In just a few short years, Emma Stone went from Jonah Hill's endearing down-ass chick in Superbad to the woman who can make Ryan Gosling swoon in Crazy, Stupid, Love. Oh, and let's not overlook the fact that she's even made Spider-man (and the actor who plays him) fall for her in the upcoming reboot, The Amazing Spider-man.
DECADE ACHIEVEMENT: Earning respect in Hollywood with the box-office hit and SAG Awards favorite The Help.