Jam! Showbiz Music, Canada — Katy Perry's rumoured romance with John Mayer is over already, according to U.S. reports. more info

ContactMusic — Katy Perrys rumoured romance with John Mayer is over already according to U S reports The I Kissed A Girl hitmaker sparked speculation of a new relationship with the rocker after they were spotted enjoying several dates in Los Angeles... more info

Starpulse — There will be no more fireworks for Katy Perry and John Mayer -- the couple has called an end to their brief relationship after just months of dating. The two were first spotted getting close back... more info

Pop Crunch — Katy Perry may want to check out Taylor Swift’s Dear John…. The former Mrs. Russell Brand appears to have broken-up with her rebound boyfriend, John Mayer. A source close to [...] more info

ContactMusic — Katy Perry has reportedly split from John Mayer After a couple months of casual dating the guitar-playing musician and the pop star have split Multiple sources have confirmed to Us Weekly magazine with one saying Shes r... more info

Perez Hilton — Oh shiz! We definitely didn’t see this one coming…at least, not so soon! Reportedly, John Mayer and Katy Perry have already split up, after only a few months of dating! The two have been spotted all over Hollywood these past few weeks, getting th... more info

People.com — "People made it out to be far more than it was," a source tells PEOPLE more info

Starpulse — “So You Think You Can Dance” is a reality competition show for amateur dancers. Past contestants have gone on to choreograph dance routines for the likes of Katy Perry, Lady Gaga, Beyonce, and Rih... more info

411 Mania — Mayer could be going with Katy Perry to try and get closer to Rihanna... more info

Perez Hilton — Ha! Sorry, this is just the funniest thing we've ever heard!! You see, there's a lil' birdie out there who's saying the only reason John Mayer's hot and heavy with Katy Perry is so he can find love in Rihanna's place! That's right: John-John is USI... more info