Comedian Chris Rock was locked up on Tuesday (23Jun15) as he filmed his guest role on hit hip-hop drama EMPIRE. The actor plays one of Terrence Howard's prison inmates in the show's upcoming second series and filmmaker Lee Daniels shared photos of himself and Rock behind the scenes of the shoot at the Cook County Juvenile Detention Center in Illinois on Tuesday. Musicians Alicia Keys and Lenny Kravitz are among the other stars set to make cameos in the programme's next season, which will air in the U.S. in September (15).