Katy Perry sued for Dark Horse recently occurred as rapper called “Flame” claims his and other musicians’ song “Joyful Noise” was ripped off by the 29-year-old pop singer. Before becoming a worldwide sensation, Katy was once a Christian singer herself. Her Christian album was named “Katy Hudson”, which also happens to be her real name. Now it seems her Christian roots are in want of Perry’s attention. Grammy-winning Christian rapper “Flame” is part of the group of musicians which had Katy Perry sued for Dark Horse as she allegedly copied their 2008 hit.