Perez Hilton — Uh oh, should Diplo be worried John Mayer is whisking his lady love away?? According to this insider, Katy Perry's current beau has nothing to worry about, the two are just friends! The Birthday singer and her ex-bf, who broke up almost one year ago ... more info

Perez Hilton — Uhhhh…. This HAS to be a joke, right? Right?!?!? Ha ha ha?? John Mayer posted a photo to Instagram recently that has a LOT of people talking. In it, he poses with pal Ricky Van Veen and both of them have some of the weirdest, most plastic-looking s... more info

Perez Hilton — Well, this is awkward … … and totally inappropriate. Yet some celebs still say things that will easily have them accused of being bigots and racists! We all know about Mel Gibson's famous and hateful rant, but did you know John Mayer has said som... more info

Perez Hilton — Oh, John Mayer! One of the most famously known serial daters of Hollywood, but we don't blame the ladies who fell for the singer's charms! Who can resist such a good-looking and talented musician?! Katy Perry and Jennifer Aniston obviously couldn't r... more info

Perez Hilton — Since everyone's been so coy with the details on this feud, our imaginations and theories have been running wild! If you need a refresher… In an interview with Rolling Stone, Taylor Swift revealed that her new song Bad Blood was written abou... more info

Perez Hilton — Well, this is quite a welcome back to El Lay present for her! Taylor Swift has captivated the world with her new single Shake It Off, so she's obviously preparing to perform it at Sunday's VMAs aka why she's in LA! Well, Tay was visiting a Hollywoo... more info

TMZ — Taylor Swift and John Mayer showed up at the same place Wednesday night ... eating dinner within eyeshot of each other ... and we know what didn't happen.We got pics of Swift and Mayer leaving Chateau Marmont in West Hollywood in separate cars ...…... more info

TMZ — John Mayer is a big star.  Regis Philbin has met lots of big stars.  Regis A) doesn't recognize John and B) is genuinely star struck when Bob Saget clues him in.The singer was at Craig's with Saget when the famous TV host… more info

MTV.co.uk News — Both boys have very different histories with Katy Perry, but it doesn’t seem to have affected their friendship… more info

TMZ — ON TODAY'S SHOW Chris Brown Takes a Lindsay-esque Pledge to Stay Clean John Mayer is Back ... and He is Hysterical! More Insane Behind-the-Scenes 'Star Wars' Pics Miley Cyrus Just Caught a Huge Break after Her House was Robbed SKYPE US TMZTVSHOW… ... more info