Remembering Coolio: Kel Mitchell on Their 'All That' Sketch and Final Conversation (Exclusive)

Kel Mitchell pays tribute to Coolio. The actor opens up to ET's Kevin Frazier about the late rapper, who guest starred on 'All That' and sang the 'Kenan & Kel’ theme song. Kel also shares what Coolio said to him earlier this year in their final conversation. Coolio, born Artis Leon Ivey Jr., died in Los Angeles on Wednesday. He was 59.