Ever since she broke onto the scene in 2008, Katy Perry has never shied away from showing off her best assets and flaunting her famous figure. She always looks "fine, fresh, fierce" in her music videos, and she loves to flaunt a little leg in a high-slit dress on the red carpet. And don't even get us started on her bikini moments! Yep, Katy is a true knockout. For no particular reason at all, we've rounded up Katy's sexiest moments, both on and off the stage. See them all now — and rock on, Katy!