Kris Kross Rapper Chris ‘Mac Daddy’ Kelly Dies.

Chris Kelly, known as one half of the 1990s US rap duo Kris Kross, has died at the age of 34 in what police say may have been a drug overdose.

Police were called to Kelly’s home in south Atlanta at around 4:30pm (local time) on Wednesday.

He was taken to the south campus of the Atlanta Medical Centre and pronounced dead around 5pm.

Corporal Kay Lester of the Fulton County police said “it appears it may have been a possible drug overdose”.

A post-mortem examination is due to be carried out to establish an official cause of death.

Kelly, known as “Mac Daddy,” and Chris Smith, known as “Daddy Mac”, were introduced to the music world in 1992 by music producer and rapper Jermaine Dupri.