Birthday: May 9, 1979
Hometown: New York City

How You Know Her: It's been nearly 15 years since Rosario was discovered on her front stoop, but in that time span, she's put together as impressive a resumé as anyone in the business. (We'll pretend The Adventures of Pluto Nash never happened.) Most recently, she followed up her role as head hooker Gail in Sin City with some voice work in the comic-book based films The Haunted World of El Superbeasto and Wonder Woman. You can find her being hotter than all hell as Hades' lady friend, Persephone, in Percy Jackson & the Olympians: The Lightning Thief.

She Gets Hotter With Age: "I never felt older on a movie before this one... Brandon [asked me], 'Would you be my mentor?' and I think I sprouted a grey hair when he said that. I was like, 'Dude! I'm five years older than you! I will be your friend and give you good information but I'm not going to be your mentor.'" —Late Night With Jimmy Fallon

She's just one of 15 actresses who have had their hottest roles and was part of one of the most uncomfortable dance scenes in film.