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
Katie Perry basis of a similarity of names. A hearing with IP Australia was called for 10 July 2009, at which they were to seek an extension of the normal three month time limit within which they may oppose a new trademark. Some media reports have described this application as a "lawsuit". However, the application to IP Australia is not a lawsuit, and Katy Perry has denied the reports of lawsuits on her blog. On 29 June 2009, Katie Perry posted a personal message to Katy Perry the singer as a video on YouTube, seeking to get past the lawyers and interact