Katy Perry: Part of Me 127 concerts from February 20, 2011 to January 22, 2012. Most of the performances were recorded on November 23, 2011, at the Staples Center in Los Angeles, but also included performances in Tokyo and São Paulo. Some of her friends such as Rihanna, Lady Gaga, Adele and Jessie J make cameos in the film. The documentary includes scenes of Perry dealing with the breakdown of her marriage with English actor/comedian Russell Brand. Principal cast Cameos On March 7, 2012, Katy Perry announced via Twitter that she and Paramount Pictures would release a part-biopic, part-concert film entitled "Katy Perry: Part of
Witness (Katy Perry album) nine other nations. To accompany the album's release, the singer broadcast herself for four days on YouTube with a four-day live-stream titled . She also embarked on in support of it. Following the release of her fourth album "Prism" in 2013 and the end of the Prismatic World Tour in October 2015, Katy Perry told "The New York Times" in February 2016 that she was in the "research and development phase" of a new album. She decided to take a hiatus after the tour concluded to "give my mental health a break" before starting to write new songs the following