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

ContactMusic — British comedian Russell Brand has opened up about his ex-wife Katy Perry's new romance with serial dater John Mayer, insisting he is no longer in a... more info

Dlisted — The Orange County version of Dan is doing it with the Upper East Side version of Summer. I guess Adam Brody and Leighton Meester want to keep it in The CW family - Lainey Gossip  Natalie Portman drives a huge ass Mercedes hybrid, but shouldn't ... more info