AngryApe — Over Ashlee Simpson and Pete Wentz's new baby boy more info

AngryApe — The singer will follow her February sold-out tour with more shows more info

Topix — Platinum-selling singer Katy Perry may have been shut out of the Grammys ' Best New Artist category, but her boyfriend, musician Travis McCoy , still has her back. more info

Rock Sellout — Yes, it’s true, Katy Perry is a lost Deschanel sister. Not really, but jeez, those girls look related. This is the sort of thing that on paper might have piqued my interest, but I think ultimately a brainstorming session would have made me see the ... more info

Undercover, Australia — Lily Allen has called Katy Perry a fatter version of herself. more info

VH1 Blog — VH1 TV Shows Music Videos Celebrity Photos News & Gossip A couple of weeks ago Katy Perry asked you to tell her what was hot n cold this year.  We knew she’d be swinging by VH 1, and we thought she might have something to say about the... more info

Spinner.com — Filed under: The Chum BucketSpinner.com: Lily Allen vs. Katy Perry: the feud is on. [PopEater] Britney Spears' new album, 'Circus,' made it to No. 1 on the Billboard charts. There's a party like it's 1999 joke in here somewhere. [Billboard] Rolling... more info

AngryApe — The 'Hot N Cold' singer isn't interested in collaborating with Spears more info

MTV.com News — The year's best party starters, pop hits, somber ballads and a few that defy definition.By James Montgomery Lil Wayne, Beyoncé and Kanye West Photo: Universal/ Sony/ Atlantic Music-wise, perhaps the best thing about 2008 was that it wasn'... more info

ContactMusic — KATY PERRY has apologised to LILY ALLEN over remarks she made about the singer's weight.The US singer – who shot onto the music scene with her hit I Kissed A ... more info