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
Thinking of You (Katy Perry song) a soldier (played by Matt Dallas), in battle during World War II. Perry began playing the song during gigs as early as 2006, and performed the song on all of her concert tours: the Hello Katy Tour, the California Dreams Tour, the Prismatic World Tour and . The song was included in the international soundtrack to "India, a Love Story", a Brazilian telenovela and becoming most successful in Brazil. "Thinking of You" was written by Perry and produced by Butch Walker. Amateur video of Perry performing an entirely acoustic version at the Hotel Café in Los Angeles as early as