Jimmy Fallon and Whoopi Goldberg Swap Mouths, Interview Each Other, and Sing ‘I Knew You Were Waiting (For Me)’

Host Jimmy Fallon and Whoopi Goldberg swapped mouths and had a lot of fun while interviewing each other and singing a duet of “I Knew You Were Waiting (For Me)” on a recent episode of The Tonight Show. The song was originally performed by Aretha Franklin and George Michael in 1987.