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 Live: Witness World Wide truth. It's refreshing to me that Katheryn doesn't completely have her shit together and that she's just given billions of people around the globe the opportunity to feel OK with not having their shit together too — even if only for a moment." Following the event, Daniel D'Addario of Time magazine named the live stream among The Top 10 Television Shows of 2017. Katy Perry Live: Witness World Wide Katy Perry Live: Witness World Wide was a four-day YouTube live stream by singer Katy Perry airing between June 8–12, 2017. The special features Perry living in a "Big Brother"-style house