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
Part of Me (Katy Perry song) "MTV First: Katy Perry", in which Perry discussed her experiences filming the video and the background of the video's plot: Well, I actually had the idea, I wrote the story about what it is actually like to be in the Service, and it does take a lot of physical strength, but now that I've been through it – and even just for the three days I was there, [it's] a lot of mental strength. We used only Marines, no actors or actresses. We used all of the Marine's equipment and they were so lovely to us, I always have fun