Katy Perry is being sued by a Christian hip-hop star

The 32-year-old rapper claims in court documents that Katy, whose parents are extremely religious, hijacked their music, tarnished it with black magic, witchcraft and paganism, and ruined their reputation in the Christian music world because of the imagery that appears in her music video, according to the St. Louis Post-Dispatch newspaper.

The group, who released their track five years ago, are seeking unspecified damages and want the 'Roar' singer, who is currently on her 'Prismatic World Tour' to be banned from using any form of their music immediately.

Following the success of 'Dark Horse,' Katy was crowned the new RIAA Gold & Platinum Program's top digital artist of all time last week, with 72 million digital singles sold.

The star co-wrote the track with singer-songwriter Sarah Hudson in her native Santa Barbara, California, and previously claimed it was inspired by the 1996 film 'The Craft' for the song, which is "about warning a guy that if you're going to fall in love with me, make sure you're sure because if not, it's gonna be your last."