Earlier this week, Katy Perry previewed a couple Prism tracks asking fans to choose which one they want to be released early. Today Katy Perry announced that she will be releasing “Dark Horse” which features Juicy J on September 17th. The dark pop-track is a self-empowering breakup song that features dud-step and excitingly some rhymes from Juicy J! Katy Perry knows how to stay consistently in the spotlight! Check out the preview of “Dark Horse” ft. Juicy J below!