Katy Perry's Workout Nip Slip!

Katy Perry had a nip slip at the gym.

Katy Perry Steps Out in Nude Strapless Gown for N.Y.C. Event: Photos

Katy Perry posts video of herself breast pumping - Yahoo Sports

As Is Katy Perry Gold Heeled Pumps - The Delliah

Sara Bareilles on 'Brave' vs. Katy Perry's 'Roar' - ABC News

Katy Perry Bikini Photos: Her Hottest Swimsuit Moments

Katy Perry stuns as she shows skin in sexy sheer orange number with cutouts for American Idol finale

Madonna Copies Katy Perry: Posts Nude Selfie in Support of Hillary Clinton

Katy Perry News, Gossip & Photos

Katy Perry and Orlando Bloom: A Timeline of Their Relationship

Katy Perry's 'Teenage Dream': The Story Behind the Album Cover

Katy Perry, Britney Spears, Jennifer Lopez: Best female performances in sparkly, nude ensembles