15. Blake Lively

Born on: 25th August 1987
Sexy because: Her hair is one of the sexiest things about her!
Hottest Moment: As Selena on Gossip Girl, she's had too many hot moments to count!
Love Life: Rumor has it that Leonardo DiCaprio moved from Bar Rafaeli to Blake. Wow!
See her next: She stars with Ryan Reynolds in Green Lantern later this summer, and can also be seen in next year's Hick, costarring Alec Baldwin, Rory Culkin, and Juliette Lewis.