15. Rosario Dawson
This former Complex cover starlet is the good girl done great, and anyone with a Lower East Side, NY tendency thinks they're friends with her. She's been in a plethora of dope movies (excluding Zookeeper), is an activist for all kinds of good causes, and seems cooler than most guys girlfriends. Rosario Dawson is a win/win/win.
DECADE ACHIEVEMENT: Admitting (through her character in Clerks II) that in the heat of the moment, "It's OK to go from ass to mouth."