411 Mania — Perry says she doesn't feel any pressure... more info

Starpulse — Katy Perry won't be the only pop star in the upcoming Smurfs sequel, Britney Spears has recorded a new song that will play over the end credits for the upcoming The Smurfs 2. The new song, "Ooh La... more info

ContactMusic — Pop star Katy Perry has become entangled in a haircare deal gone wrong as bosses of a British firm attempt to brush off an oral agreement over an... more info

411 Mania — Over a hair care endorsement... more info

People.com — The weekend-long music festival plays host to a number of stars more info

USA Today Music — Robert Pattinson, Kristen Stewart, Lindsay Lohan, Bono and Katy Perry were in attendance. more info

Starpulse — Even celebrities are unlucky in love occasionally. Katy Perry's eight-month romance with John Mayer ended in March, and she's currently selling her 8,300-square-foot home for a $7 million. Mayer r... more info

Starpulse — Josh Groban is looking for a new girlfriend as he has grown tired of single life. The Believe hit-maker, who has previously dated actress January Jones and singer Katy Perry, is currently single,... more info

Big Apple Music Scene — Less than a month after breaking up with Katy Perry in a storm of 'lose weight' comments and 'no comments' alike, John Mayer is out prowling the town again, looking for fresh victims. In this case, the town in Los Angeles, and the victim is a 'very s... more info

E! Online — Fresh from a UNICEF trip to Africa, Katy Perry is back in the U.S. and still helping out others. The pop singing megastar was one of the many celebs to turn out last night for... more info