ContactMusic — Katy Perry has spoken out to silence rumours she is a demanding diva on tour after the publication of her backstage rider revealed a list of outrageous requests. A copy of Perry's dressing room demands emerged last month (May11) and showed the pop st... more info

Unreality Music — Though we've pegged Jessie J as the UK version of Pink, it seems she's scored a gig supporting faux lesbian Pop Princess Katy Perry. The Nobody's Perfect singer will be joining Perry for fi... more info

Gigwise — She'll join singer at US dates... more info

USA Today Music — Edgy female pop singers Robyn, Oh Land, Janelle Monae, Jessie J and Marina and The Diamonds are in the tour lineup. more info

USA Today Music — She's putting a new wrapper on her infectious pop confections with a revamped tour. more info

Perez Hilton — Don't think GaGa won't bite back, Em! She IS Mother Monster after all! Check out Eminem's new song A Kiss featuring Royce Da 5'9 (above), in which Mr. Shady takes a low-blow swipe against Lady GaGa. He also pokes fun at Justin Bieber and Katy Perry i... more info

Perez Hilton — Exciting news for Katy Perry fans! Last we heard about Katy's California Dreams tour, she had added eight more stops in September, including San Antonio, New Orleans, and Tulsa! Now, Katy has added five November dates to her tour, which are as follow... more info

Perez Hilton — So saucy! Katy Perry, you look smokin'!! The singer was seen posing for the camera, wearing a cute pink outfit and aqua blue heels, for a photo shoot in Miami. Werk it! Russell Brand is one lucky guy! [Image via Mavrix Online.] more info

ContactMusic — N-Dubz' Fazer is writing tracks for Katy Perry. The 'Strong Again' hip-hop group's producer is hoping to branch out into the pop world, and write a huge hit for the US 'Firework' star. N-Dubz singer Dappy told the Daily Star newspaper "Fazer h... more info

Perez Hilton — Wow! Is that even really HIM?! We thought it was Billy Ray Cyrus! LOLz! After their Memorial Day trip to Mexico, Russell Brand and his wife, Katy Perry, were spotted on the Fort Lauderdale set of the former's new flick, Rock of Ages, alongside none... more info