Justin Bieber: Never Say Never is a documentary film starring the extremely popular singer, Justin Bieber. The film features performances from Bieber's My World Tour at Madison Square Garden as well as home videos from Bieber as a child. Usher, Miley Cyrus, and Jaden Smith will star in themselves in the documentary contributing to his story. Jon Chu (Step Up 3D) is directing the film and has said that he jumped at the chance to tell a "true underdog story." Justin Bieber: Never Say Never is also being featured in 3-D IMAX as well as traditional 2-D. The film's title comes from the song "Never Say Never" by Justin Bieber which was the theme song of The Karate Kid.