Oprah Winfrey and Tyler Perry's "Precious"Trailer (Video)

Oprah Winfery Tyler Perry are the executive producers of the film "Precious," based on the novel "Push" by Sapphire. The film stars comic Mo'Nique and features Paula Patton, Mariah Carey, and Lenny Kravitz. The film premiered in January 2009 at the Sundance Film Festival,where it won the Audience Award and the Grand Jury Prize for best drama. The movie opens up this friday at select theaters across the nation.