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
Birthday (Katy Perry song) Birthday (Katy Perry song) "Birthday" is a disco song recorded by American singer Katy Perry for her fourth studio album, "Prism" (2013). She co-wrote the song with Bonnie McKee and its producers Dr. Luke, Max Martin, and Cirkut. Critics, as well as Perry herself, have compared the track to the music of Prince and Mariah Carey. Through double entendres in the lyrics of "Birthday", Perry makes sexual references while celebrating a partner's birthday. Capitol Records sent the track to mainstream and rhythmic radio on April 21, 2014 as the album's fourth single. Following the release of "Prism", "Birthday" entered the