CHRIS ROCK GIVING AWAY WALK-ON PART IN NEXT FILM

Chris Rock attends the 2013 FX Upfront Bowling Event at Luxe at Lucky Strike Lanes on March 28, 2013 in New York City

*Chris Rock is giving one fan the chance to play a bit part in his upcoming film “Finally Famous,” which also stars Rosario Dawson and Gabrielle Union.

The winning bidder will be invited to bring a friend for a meet-and-greet with Rock, and they will be treated to an exclusive tour of the set.

Rock’s auction on CharityBuzz.com ends on June 4. The prize is expected to raise $15,000 for the Triple Negative Breast Cancer Foundation.