Know Thy Enemy (2009)

Genre: Drama Music
Tagline: Are you ready for fame?
Directed by: Lee Cipolla
Starring: Sheaun McKinney, Marlon Taylor, Jeremy Mitchell, Bechir Sylvain, Susie Abromeit

Plot: Nemesis is the hottest rapper in rap's hottest city; Miami, the 305. But he has a little secret...he's not really a rapper. As a boy the artistic Nate Harris drew cartoons and dreamed of changing the world. A record label discovers Nate's talent, and offers to make him a star, as a rapper. They create Nemesis, a Hip Hop gangster designed to sell records and spit hate. Fame quickly follows, but at a price. The fans demand true street cred, and to get it, Nate's label turns a fellow rapper and former childhood friend against Nate, spawning a rap feud.

http://www.imdb.com/title/tt1337650/