30: Jewel Staite

29: Kathleen Hanna

28: Arlenis Sosa

27: Clemence Posey

26: Karen O

Canadian actress who has appeared as Kaylee Frye in Firefly and Jennifer Keller in Stargate Atlantis. For her role in Firefly she gained 20 lbs in just three weeks after Joss Whedon asked her too.Kathleen Hanna is an American musician, feminist activist. She inspired the name for Nirvana's 1991 single, "Smells Like Teen Spirit", when she wrote "Kurt Smells Like Teen Spirit" on Kurt Cobain's wall. Kathleen was actually referring to a deodorant marketed to young women but Kurt thought it had a a nice ring to it. She's now 42 and the oldest woman on this list but she's still got it.Rising model who has appeared in Vogue publications worldwide. She is the current face for Lancome.French actress and Fashion model who got us all excited in the Harry Potter movies as Fleur Delacour in the Harry Potter movies and also as Colin Farrell's seductive love interest In Bruges.Half Korean and half Polish, Karen O is the lead vocalist of the Yeah Yeah Yeahs. She also composed all of the songs on the soundtrack of Where the Wild Things Are, the film was directed by her former boyfriend Spike Jonze.