Katy Perry following her ex-husband Russell Brand's transition from comedy work to activism, and released a concert film titled "Katy Perry: The Prismatic World Tour" through Epix, which took place during her tour of the same name. Perry also made a cameo appearance in the music video for Madonna's song "Bitch I'm Madonna" in June 2015. The following month, she released another fragrance with Coty, entitled Mad Potion. In September 2015, she appeared in the documentaries "Katy Perry: Making of the Pepsi Super Bowl Halftime Show", which followed Perry's preparation for her Super Bowl performance, and "", which followed the life and
Dark Horse (Katy Perry song) beat and "sultry" vocals from Katy Perry. He gave the track a rating of four stars out of five. Contributor Dylan Mial of Blogcritics said the "juxtaposition" of Perry's vocals and Juicy J's rap brought "the ingredients for a perfect musical storm" and favored Perry for the "uniqueness" of the single. Keith Murphy from "Vibe" called the track "infectiously sexy", while John Walker from MTV was similarly positive about the song, though he wrote that Juicy's verse was "phoned-in". Sal Cinquemani of "Slant Magazine" likened the song to avant-garde band Art of Noise's song "Moments In Love" and called it