Curtis James Jackson aka 50 Cent recently performed in a real life fight club in Bronx.
The 40-year-old kick started things at the BX Fight Club by giving fans and fighters a little pep talk, after which he rapped 'What Up Gangsta,' TMZ reported.
BX Fight Club is an underground fight club which encourages locals to put on gloves and get their aggression out in the ring.
BX Hova, the owner of the fight club, said that the plan was to keep kids out of trouble.