MTV.co.uk News — Star wears eye-searing tie-dye outfit as she poses for snap with 'Santa'... more info

MTV.co.uk News — ‘Birthday’ battles Ariana Grande’s ‘Problem’ to claim the No.1 spot… more info

TMZ — Katy Perry is surrounded by fakes, frauds and counterfeits ... according to a new lawsuit.Bravado International -- which licenses the exclusive right to hawk T-shirts, hats, posters and other crap from the likes of Michael Jackson, the Red Hot… ... more info

NME — The hip-hoppers say 'Dark Horse' lifts from their track 'Joyful Noise' more info

Time — The four musicians claim the pop star stole the song more info

TMZ —  Katy Perry blatantly stole a song from a Christian hip-hop singer and then tarnished it with witchcraft, paganism and black magic ... at least that's the claim in a new lawsuit.According to the suit -- obtained by TMZ -- Perry's hit song "Dark… ... more info

MTV.co.uk News — Katy Perry Reveals Royal Revolution Fragrance Advert more info

MTV.co.uk News — His Royal Highness put on his dancing shoes as he joined some children in an impromptu performance... more info

MTV.co.uk News — Sources claim K-Pez is "mad about" Rob, but doesn't want to get hurt... more info

MTV.co.uk News — Prepare to become Xtremely obsessed with Allie X… more info