ContactMusic — Katy Perry has climbed a volcano.The 'Part of Me' hitmaker has apparently been taking inspiration from Elizabeth Gilbert's post-divorce memoir 'Eat,... more info

E! Online — Forget selling millions of records and performing to just as many screaming fans around the world. Let's face it. The real sign that one has truly hit it big is when you get a Barbie... more info

Mjsbigblog — The Sing Off winners, Pentatonix, are currently on tour (I'm set to see them here in Boston on Sunday) and today they dropped by VH1 to perform their mashup of Justin Bieber's "As Long As You Love Me" and Katy Perry's "Wide Awake". more info

Guardian Music — (Interscope)Nelly Furtado followed her 10m-selling 2006 album, Loose, with a Spanish-language record, Mi Plan, creating a vacancy in the pop charts that was quickly filled by Rihanna and Katy Perry. Back, finally, with Loose's "proper" followup, Furt... more info

Guardian Music — Britney, Robbie, Nelly, even Tom Cruise – they're all taking about the first global K-pop sensation. But is he any good?Reading on mobile? Listen hereHometown: Seoul, Korea.The lineup: Park Jae-Sang (vocals).The background: So Robbie's back, is he?... more info

Perez Hilton — Oh boy! Rumor has it Kristen Stewart made the big mistake of grilling Robert Pattinson about his nights with Katy Perry! Gurrrrlll…. not a good idea!! Even though numerous sources insist they're not getting back together, they apparently held a m... more info

ContactMusic — Katy Perry and John Mayer partied at a strip club in Las Vegas over the weekend The couple - who split briefly before reuniting earlier this month - were spotted in the city with friends on Sunday 10 09 12 where it was revealed they had enjoyed a n..... more info

Perez Hilton — Aw! The lovers friends lover-friends are sharing their sexy adoration with some naked, Las Vegas dancing ladies! Even though we had heard John Mayer dumped our fantastical butterfly Katy Perry via email due to her wild, partying ways, obviously Johnn... more info

Big Apple Music Scene — This past weekend at the VMAs, Rihanna and Katy Perry were caught on camera performing a rather delicate operation on each another. I didn't watch the VMAs, so I have zero context in which to interpret it, but that doesn't mean it won't be fun to try... more info

People.com — The pair stayed out partying with pals until 5 a.m. in Sin City more info