Dark Horse (Katy Perry song)

"Dark Horse" is a song by American singer Katy Perry featuring American rapper Juicy J. It was originally released on September 17, 2013, by Capitol Records as the first promotional single from Perry's fourth studio album, Prism (2013). Three months later, it was released as the third official single on December 17. Both artists co-wrote the song with its producers, Max Martin, Cirkut, and Dr. Luke, alongside Sarah Hudson.