Add DMX to the list of troubled celebrities to star in VH1 reality series.

Perez Hilton reports that the Dark Man X is set to star in the third installment of the Dr. Drew-produced Celebrity Rehab series. Bob Forrest, CRs drug counselor, has confirmed Xs participation on the show. No other cast members have been revealed as of press time.

X has a long substance abuse history. The rapper is presently serving a 90-day jail sentence for drug possession, theft and animal cruelty.