This is probably as close as she's going to get to making a trap song, but the pop machine that is Katy Perry added a major-chord chorus full of hope and just enough EDM to keep "Dark Horse," the second single from her upcoming album, Prism, from delving too far into strip club territory, though Juicy J does get a Jeffrey Dahmer reference into his verse. Maybe Juicy's the guy who gave her the diamond grill she wore at this summer's VMAs, considering he so famously bared his own at the Academy Awards a few years back. (via Rap Radar)