People.com — The couple, who were spotted together as recently as Valentine's Day, have been on and off since 2012 more info

ContactMusic — Katy Perry and John Mayer split up because of her upcoming world tour.The 'Dark Horse' singer, 29, was reportedly dumped by the singer-songwriter,... more info

Topix — A petition has been launched to have Katy Perry's latest music video removed from YouTube after she was accused of blasphemy by Muslims. more info

ContactMusic — Katy Perry's new music video 'Dark Horse' is making headlines across the world for all the wrong reasons. An online petition has attracted nearly... more info

Time — The backlash to Katy Perry’s Egyptian-inspired video for “Dark Horse” has created a perfect storm of controversy — and there’s no going back. The Egyptian-themed clip features Perry as Cleopatra, sitting on a throne as suitors try to woo he... more info

ContactMusic — Katy Perry and John Mayer have split up.The 'Roar' hitmaker- who was seen with a ring on her engagement finger earlier this month, sparking... more info

ContactMusic — Katy Perry and John Mayer have broken up after 18 months of dating, according to a new rumour. E! News' source claims that Perry has split with Mayer... more info

The Independent — In the latest ‘racist music video’ accusation, Katy Perry’s “Dark Horse” has sparked an online petition demanding it be pulled from YouTube, with some Muslims claiming it is blasphemous.     more info

The Daily Mail — E! News quoted a source as telling them exclusively that the pair's romance has come to an end, but cited that no other details have been revealed. more info

Brooklyn Vegan — Tegan & Sara at The Paramount in 2013 (more by Greg Cristman) Tegan & Sara have continued to become significantly more famous in part thanks to their poppy new album Hearthrob, and their trek into the mainstream will continue when... more info