Katy Perry turns 30 on Saturday! Her career has taken her all over the globe, on stage and on the red carpet, as well as in the pages of many magazines, and she's got a plethora of number one singles under her belt, including "Dark Horse" and "This Is How We Do." In the process, Katy has never shied away from showing off her best assets and flaunting her famous figure. In celebration of her big milestone, we've rounded up Katy's sexiest moments, both on and off the stage. See them all now — and rock on, Katy!
See Katy Perry in Various States of Undress
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