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

ContactMusic — Singer Katy Perry has upset members of the Muslim community by featuring "blasphemous" imagery in the music video for her new hit Dark Horse.In the... more info

Time — Haim took their sister act to BBC Radio 1 Live Lounge yesterday, where they delivered a stellar cover of Beyoncé’s “XO” that saw guitarist-singer Danielle Haim and drummer Dash Hutton switching places for the song. Check out the video above th... more info

MTV.co.uk News — The Hunger Games: Catching Fire, Katy Perry and One Direction all up for gongs voted by fans... more info

MTV.co.uk News — Reports claim K-Pez could land a part in the flick after the actor reached out to her on the social-networking site... more info

ContactMusic — Katy Perry and Jennifer Lawrence have emerged as top Kids' Choice stars after leading all nominees for the upcoming Nickelodeon prizegiving.Both... more info