Stevie Wonder: Songs In The Key Of Life - An All-Star Grammy Salute held in Los Angeles

Recording artists Kenneth 'Babyface' Edmonds (L) and Ariana Grande perform onstage during the Stevie Wonder: Songs In The Key Of Life - An All-Star Grammy Salute at Nokia Theatre L.A. Live in Los Angeles on February 10, 2015. Photo by Jim Ruymen/UPI