The future Mrs.
Sixteen amazing acts took the stage last night at what was one of the most star-filled AMAs of all time.
At the ripe old age of 29, Katy Perry is retiring--from stripping down onstage!
The stars party at the hottest nightclubs and attend the most lavish events. From invite-only affairs and rare performances to running errands and partnering up with brands, we know where the celebrities are and what they're doing! Check out the hottest celeb sightings below.