Katy Perry

Katy Perry, Rita Ora, and More Stars Who've Rocked Major Cleavage on the Red Carpet

Katy Perry Spotted Cozying Up to Orlando Bloom — Again!

Jessica Alba, Kim Kardashian, Channing Tatum & More — See Hollywood's Best Halloween Costumes of 2015!

Russell Brand Basically Just Called Ex-Wife Katy Perry a "Vapid, Mindless Celebrity"

Channing Tatum, Katy Perry, and More Celebrities You Didn't Realize Have Imperfect Smiles

Katy Perry Poses Nearly Naked in New Ad Campaign While Continuing to Sport That Kris Jenner Haircut

Katy Perry Unknowingly Hurt This Lookalike's Career!

Meet Katy Perry's Doppelgänger! This Fan Could Be the Singer's Twin — Plus 11 More Celebrity Lookalikes

Diplo Admits Dissing Taylor Swift Was "One of the Biggest Mistakes" of His Career

When & How These 15 Stars Lost Their Virginity

Missy Elliott Cries After Super Bowl Performance, Shows Off Impressive 70-Pound Weight Loss

Katy Perry Reveals Hello Kitty Tattoo On Her Middle Finger

Katy Perry's Love Notes to Her Former Boyfriend Revealed!

6 Stars You RARELY (If Ever) See in Flats

Katy Perry Uses Tinder — and So Do These 5 Stars: See Their Profiles!

Katy Perry Shows Off “Slime Green” Hair in Sexy New Instagram Photo — Her 7 Hottest Cover Girl Moments

Miley Slams Katy AND "Ex Boo" John

Katy Perry Goes for Fashion Gold in New “Dark Horse” Video

Were Katy Perry, John Mayer Inspired By Marilyn Monroe, James Dean for Sexy “Who You Love” Portraits?

Russell Brand’s 5 Most Shocking Comments on Katy Perry Dating John Mayer (VIDEO)

Katy Perry's Night Out With Muse Drummer Dominic Howard (EXCLUSIVE)