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
Teenage Dream (Katy Perry song) guest and performed the song on "Saturday Night Live". On October 2010, she performed the song on "Wetten, dass..?" in Germany. Perry performed the song with actor Darren Criss for the first time on the "Trevor Project Live" on December 5, 2010. On February 13, 2011, Perry performed "Teenage Dream" at the 53rd Grammy Awards. The song was featured on the set list of the California Dreams Tour in 2011 as the opening act of the show. The show begins with a video screen introduction which tells the story of a girl named Katy who lives in a colorless world