Big Apple Music Scene — Well, it’s Grammy season and you know what that means. Time to leave your boyfriend at home and take a girlfriend as your date to the Grammys. Or at least that’s what it means to Katy Perry. She is leaving John Mayer behind and taking new best fr... more info

ContactMusic — John Mayer's roster of ex-girlfriends is quite a list, and having admitted "I was a jerk" to most of them, it's a wonder he's managed to get so many... more info

ContactMusic — Katy Perry is taking 'Girls' star Allison Williams to the Grammy Awards instead of her boyfriend John Mayer. The 28-year-old singer - who is... more info

E! Online — This Sunday is officially going to be a Girls night for Katy Perry. The Grammy-nominated singer has decided to leave her man John Mayer at home and instead take her gal-pal and... more info

ContactMusic — Rocker John Mayer insists he is no longer the "jerk" he once was when he spilled all about his romances with Jessica Simpson and Jennifer Aniston... more info

ContactMusic — John Mayer was a ''jerk'' to his past girlfriends.The 35-year-old singer has dated stars including Jessica Simpson, Jennifer Aniston and Minka Kelly... more info

Starpulse — Singer Katy Perry is ditching John Mayer and taking her actress pal Allison Williams to the 2013 Grammy Awards as her date. The Fireworks hit-maker has been dating Mayer since last year and they'... more info

People.com — "It's very liberating when you finally realize it's impossible to make everyone like you," the musician explains more info

ContactMusic — Singer Katy Perry is ditching John Mayer and taking her actress pal Allison Williams to the 2013 Grammy Awards as her date.The Fireworks hitmaker has... more info

E! Online — We're guessing John Mayer's' kiss-and-tell days are over. In a forthcoming interview with CBS Sunday Morning, the "Clarity" singer and Katy Perry's new beau... more info