Katy Perry is headlining the Super Bowl halftime show on Sunday. Despite some of Katy's comments to the contrary, it's sure to be an exciting show. If Katy's previous performances are any indication, she'll bare some skin on stage. Katy has never shied away from showing off her best assets and flaunting her famous figure. In celebration of her big moment, we've rounded up Katy's sexiest moments, both on and off the stage. See them all now — and rock on, Katy!