Katy Perry turns 31 on Sunday! Since breaking onto the scene in 2008, Katy has never shied away from showing off her best assets and flaunting her famous figure. In celebration of her big day, we've rounded up Katy's sexiest moments, both on and off the stage. See them all now - and rock on, Katy!
from POPSUGAR Celebrity http://ift.tt/12sxYD1