Starpulse — Katy Perry spent the eve of her 28th birthday performing at a campaign rally for President Barack Obama in Las Vegas. The singer rocked a white latex mini dress meant to look like a presidential ba... more info

ContactMusic — Pop star Katy Perry's 28th birthday got off to a good start on Wednesday (24Oct12) after U.S. President Barack Obama gave her an "unforgettable"... more info

411 Mania — News and thoughts on Flavor Flav assaulting his fiancee and trying to stab her son, Katy Perry singing with an autistic girl, James Blunt (not) retiring and Adele giving birth, plus thoughts on Kendrick Lamar's new album and more! more info

Starpulse — Happy Birthday to: Pop Superstar Katy Perry (1984) R&B Singer Ciara (1985) Singer Josh Henderson (1981) Actor Mehcad Brooks (1980) British singer Bat for Lashes (1979) Actress Sarah Thompson ... more info

411 Mania — They're loud... more info

Perez Hilton — Well… singers ARE told to PROJECT their voices! HA! Currently on-again couple Katy Perry & John Mayer have been spotted lately getting intimate alll around NYC, and most recently were cuddling up at Kaypers' halloween-themed birthday party… But i... more info

ContactMusic — Katy Perry has joined the long list of celebrities helping Barack Obama fight for a second term at the White House after signing up to headline a... more info

ContactMusic — Katy Perry kicked off her birthday festivities this weekend by throwing a predictably lavish costume-party at Los Angeles' Magic Castle nightspot.... more info

ContactMusic — Katy Perry appears to have mended her friendship with Kristen Stewart.The 'Part of Me' singer - who reportedly supported close pal Robert Pattinson... more info

Starpulse — Rapper Snoop Dogg is planning a collaboration with British singer Cheryl Cole on her next album. The "Drop It Like It's Hot" hitmaker has previously teamed up with stars including Katy Perry, Lil ... more info