Katy Perry is celebrating her birthday on October 25th and to celebrate, we thought we’d see how well you know the lyrics to ...

The official video for Katy Perry's "Birthday" dropped today and let's not fool around: it is an abomination. Why can't she stop making awful music videos? Is it time for tough love and hard truths?

Her performance of the latest hit from "Prism" proves a show-stopper. By Jason Lipshutz, Billboard Katy Perry Billboard Music Awards - P 2014 Performing remotely from the Newcastle Metro Radio Arena ...