Chris "Mac Daddy" Kelly of the 90s rap group Kris Kross died of a drug overdose, said Atlanta's Fulton County Medical Examiner's office on Monday.
A toxicology screening revealed that the 34-year-old rapper had a mixture of drugs in his system on May 1 when we was pronounced dead shortly after being found unresponsive in his Atlanta home.
While the report did not determine which specific drugs Kelly used before his death, his mother told investigators that her son used cocaine and heroin the night before and had a history of drug abuse.
The late star performed alongside Chris "Daddy Mac" Smith during the height of their success in the early and mid-90s. Kris Kross is best known for their 1992 smash hit "Jump" from their debut album, Totally Krossed Out, as well as their signature fashions.
In February, the duo performed at So So Defs 20th anniversary concert in Atlanta.