Kris Kross was an American hip hop duo that consisted of Chris "Mac Daddy" Kelly and Chris "Daddy Mac" Smith. 　　Kris Kross was the youngest hip-hop duo to gain success, with gold and platinum albums, at 12 and 13 years old. They have been referenced on the albums or songs of Eminem, Dr. Dre, 2Pac, Method Man, and many more.