As reported by ABC NEWS, authorities in Georgia say Chris Kelly, a member of the '90s rap duo Kriss Kross, has died in Atlanta.

Authorities are unsure of Kelly's cause of death; an autopsy has yet to be performed.

Sad news for anybody raised in the '90s. RIP Chris Kelly, a.k.a. Mac Daddy. I will definitely have something Kriss Kross themed on the #FREEMIX Throwback Thursday tomorrow night.

Check him out in the "Jump" video!