Yahoo! Music UK — world entertainment news - Celebrated songwriter Linda Perry has launched a scathing attack on Katy Perry, accusing the pop star of focusing more on churning out hit singles than creating songs with "substance". more info

VH1 Blog — During a recent interview, writer Heath Daniels asked Grammy-nominated veteran songwriter Linda Perry what she thought about changes in the music industry over the last twenty years. The 4 Non Blondes frontwoman and writer/producer for big-name artis... more info

ContactMusic — Celebrated songwriter Linda Perry has launched a scathing attack on Katy Perry, accusing the pop star of focusing more on churning out hit singles than creating songs with "substance". The Grammy-nominated musician, the brains behind hits by Pink and... more info

Perez Hilton — California Gurls On A Packed Bus Autotuned - Watch more Funny Videos This was only a matter of time. Check out the newly auto-tuned version of our favorite Katy Perry fan from the majestic Jersey City, singing along in the most beautiful way possible... more info

Gigwise — She blasts singer... more info

USA Today Music — For the queen of pop, a sixth No. 1 song from album 'Teenage Dreams' would move her past the king of pop. But will she? Should she? more info

Perez Hilton — There's a lot of people in this world who would strongly disagree with you there, but we'll let you say your peace. In an interview backstage at a concert in Hollywood, Linda Perry tore into Katy Perry pretty brutally, claiming that it's music like h... more info

VH1 Blog — The big chart story this week is Katy Perry‘s record-tying fifth #1 single from Teenage Dream on the Billboard Hot 100. Below the fold, though, everyone’s talking about the #1 debut of Watch The Throne. Jay-Z and Kanye West‘s collaborative albu... more info

ContactMusic — Katy Perry says she "owes" fans after equalling a US chart record. The 26-year-old singer thanks fans after her latest song 'Last Friday Night (T. G. I. F. )' topped the Billboard Hot 100 , making it the fifth track from her 'Teenage Dream' one album... more info

Gigwise — She pays tribute to her supporters... more info