Earlier this evening, Chris Kelly, 34, who was known as "Mac Daddy, was found unresponsive at his Atlanta home. He was transported to Atlanta Medical Center & pronounced dead. Chris Kelly, one-half of the 1990's rap duo Kris Kross, died Wednesday of an apparent drug overdose. #RIP Only 13 yrs old in 1991 when discovered by music producer & rapper Jermaine Dupri in Atlanta. Dupri's label, So So Def, signed the boys.