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

TMZ — A paparazzo was arrested for allegedly threatening the life of a huge celebrity trainer ... and then ominously reaching for what the trainer believed was a deadly weapon.Harley Pasternak -- who trains Kanye West, Katy Perry, Miley Cyrus, Usher,… ... more info

NME — Offer follows recent meeting at a signing session for Clinton's new book 'Hard Choices' more info

The Daily Mail — At the premiere after-party for the actor’s new movie The Rover, 28-year old Robert’s eyes reportedly ‘lit up’ when he saw Katy, 29. more info