Katy Perry's Workout Nip Slip!

Katy Perry had a nip slip at the gym.

Sexy Katy Perry Pictures

As Is Katy Perry Gold Heeled Pumps - The Delliah

Katy Perry: albums, songs, playlists

Katy Perry recently had an oops moment when she unintentionaly flashed her undies while kissing a Midshipman during a concert.

Donating Breasts for Charity (UPDATE): Katy Perry's 'Boob Job for Charity

Katy Perry took to the stage in a nude bodysuit during MuchMusic Video Awards in Toronto

Singer Katy Perry's naked plea

If Katy Perry's song 'I Kissed a Girl' is about Miley Cyrus, she would have been 15 at the time – New York Daily News

Katy Perry took to the stage in a nude bodysuit during MuchMusic Video Awards in Toronto