Kristin Chenoweth is the latest celebrity to join NBC?s next musical, Hairspray Live!. She will play villainous Velma Von Tussle, the producer of The Corny Collins Show. ?We are so excited and fortunate that Kristin ? one of the best musical performers in the world ? wants to come and play with us on Hairspray,? said NBC Entertainment chairman Robert Greenblatt in a statement (via THR). will air Dec. 7 at 8/7c on NBC.