E! Online — These two are quite a sight for sore eyes. Katy Perry and her beau John Mayer posed together for a romantic black-and-white photo which serves as the cover art for their duet "Who... more info

People.com — The duet is the third single off Mayer's latest album, Paradise Valley and features portraits by Mario Sorrenti more info

Jam! Showbiz Music, Canada — Katy Perry emerged the victor saleswise in this fall's so-called pop diva face-off that saw new albums released by herself, Miley Cyrus and Lady Gaga, among many others. more info

411 Mania — Clubbing… more info

Topix — Will Britney Spears be able to match or surpass her pop peers with 'Britney Jean,' out Dec. 3? Fall brought hotly anticipated new pop albums from Miley Cyrus, Katy Perry and Lady Gaga, delivering addictive singles alongside unremarkable first-week sa... more info

411 Mania — Should the Wu-Tang Clan wait for Raekwon before releasing their new LP? Is Katy Perry's new song worth listening to? Did we enjoy A$AP Rocky's latest music video? 411's John Downey and Andy Rackauskas debate these topics and more! more info

411 Mania — The two acts to take the stage... more info

411 Mania — They love Japan... more info

CNN Showbiz — Olivia Wise, a teenager who refused to let an inoperable brain tumor kill her spirit, died Monday. more info

Chorus.fm — *Katy Perry (http://www.absolutepunk.net/katyperry)* performed at the AMAs last night in what appears to be a mixture of a Japanese kimono and a Chinese cheongsam. You know what the online response is going to be right? Not good... more info