Increasing the hype for her upcoming album Prism, Katy Perry has released a taste of what it has to offer through her new single 'Roar'. Katy Perry at the premiere of The Smurfs 2 held at the Regency ...

Katy Perry's single Roar has become a smash hit, racking up over a half-million downloads in the first week, but there's one person that might not be a fan -- her ex. PICS: Surprising Celebrity ...

Katy Perry’s “Teenage Dream” was perfect pop pleasantry, full of back-to-back hits that were oh-so-fun and addictive, fused with humor, emotion, and a hint of edge. How could you resist? Perry has ...

NEW YORK (Reuters) - Singer Katy Perry has shed her cotton-candy pop image and reveals a vulnerability and maturity on her new album "Prism," which she said reflects changes in both her personal life ...