Katy Perry's Workout Nip Slip!

Katy Perry had a nip slip at the gym.

I'm a fashion stylist - 4 gym sins that make you look tacky, I don't mind see-through leggings but nip slips aren't OK

Katy Perry Gives Inside Look at Backstage Life amid Vegas Residency

Katy Perry News, Gossip & Photos

Watch as Katy Perry risks nipple slip spilling out of VERY low cut dress - Mirror Online

Cast & Creative Magic Mike Live Las Vegas

Katy Perry disses Miley's tongue, and Miley bites back

Bleached Brows: The Pro's Guide to Lightening Your Arches at Home

Katy Perry Jokes She'll Be Married 8 Times - ABC News

Katy Perry says daughter Daisy Dove Bloom, 1, loves playing dress-up

Katy Perry and Orlando Bloom enjoy date night weeks after welcoming daughter Daisy Dove - ABC News

Katy Perry Bikini Pictures

Katy Perry's Workout Nip Slip!

Oops! Katy Perry's jeans rip open as she twerks on stage, revealing her underwear!

Katy Perry News, Gossip & Photos

Katy Perry's Neon Cut-Out Lewk Is *The* Naked Dress You've Been Waiting For