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 Wav Bounces Vol. 1", which featured Perry, Big Sean, and Pharrell Williams. The song went to reach number one in the United Kingdom, becoming Perry's fifth chart-topper in the country. Outside of recording music, Perry appeared as herself in the film "Zoolander 2", which was released in February 2016. In February 2017, the singer launched a shoe line titled "Katy Perry Collections". The following August, she hosted the 2017 MTV Video Music Awards. Perry was signed for a $25-million salary to serve as a judge on ABC's revival of "American Idol", which premiered in March 2018. Perry recorded a cover