You Can't Stop the Beat! Watch the First Promo of Hairspray Live!

The nicest kids in town! We have the first video promo of NBC's eagerly anticipated Hairspray Live!, below. The starry cast, who can be seen in costume for the first time, includes Harvey Fierstein as Edna Turnblad, Jennifer Hudson as Motormouth Maybelle, Ariana Grande as Penny Pingleton, Derek Hough as Corny Collins, Dove Cameron as Amber Von Tussle, Garrett Clayton as Link Larkin, Andrea Martin as Prudy Pingleton, Martin Short as Wilbur, Kristin Chenoweth as Velma Von Tussle, Rosie O’Donnell as the Gym Teacher, Sean Hayes as Mr. Pinky and newcomer Maddie Baillio as Tracy Turnblad. The live broadcast will air on December 7.