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
Katy Perry that she contemplated suicide. After the marriage ended in 2012, Perry began a relationship with singer John Mayer that August. In November 2012, Perry began work on her fourth album, "Prism". She told "Billboard", "I know exactly the record I want to make next. I know the artwork, the coloring and the tone" and "I even know what type of tour I'm doing next. I'll be very pleased if the vision I have in my head becomes a reality." Although she told "L'Uomo Vogue" in June 2012 that she planned to have "darker elements" in "Prism" following the end of