Blake Lively [1] has been heating up our lives for more than a decade, from her Sisterhood of the Travelling Pants days to her hot date nights with Ryan Reynolds [2]. Her fashion choices are just as en pointe as her old Gossip Girl [3] alter ego Serena van der Woodsen, and the actress knows exactly how to show off her figure in plunging necklines, backless numbers, and thigh-high slits. Whether she's driving photographers wild [4] with her Met Gala style or channelling Britney Spears [5] as a sexy schoolgirl, Blake nails it time after time. From her sexy Instagram posts [6] to her love of sheer styles [7] on the red carpet, click through to see every one of Blake's sexiest pics.