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 has 6 million certified album units, totaling 104 million certified units in the nation. She also became the first artist to have three songs receive Diamond certifications from the RIAA with "Dark Horse", "Firework", and "Roar". All three of them and "E.T.", "California Gurls", and "Hot n Cold" have each sold over 5 million digital copies. Throughout her career, Perry has sold more than 40 million albums and over 100 million records globally, making her one of the best-selling music artists of all time. Headlining Co-headlining Katy Perry Katheryn Elizabeth Hudson (born October 25, 1984), known professionally as Katy Perry,