Kelis is an American musician. She released the albums Kaleidoscope, Tasty, Flesh Tone, Food, and Wanderland. Kelis was a backup singer for Gravediggaz and is best known for her hit single Milkshake. Among her most popular songs are Bossy and Caught Out There. She has also appeared in the documentaries Duran Duran: Unstaged and The Creative Brain. She has collaborated with Busta Rhymez, Outkast, Duran Duran, No Doubt, Calvin Harris, Enrique Iglesias, and more.