Ariana Grande's 'Hairspray Live!' Pigtails Make Their Debut in Star-Studded Promo: Watch

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Ariana Grande speaks onstage at the 'Hairspray Live!' panel discussion during the NBCUniversal portion of the 2016 Television Critics Association Summer Tour at The Beverly Hilton Hotel on Aug. 2, 2016 in Beverly Hills, Calif. 

With a star-studded cast including Ariana Grande, Martin Short, Derek Hough, Harvey Fierstein, Andrea Martin, Rosie O’Donnell, Kristin Chenoweth, Jennifer Hudson and newcomer Maddie Baillio, NBC's Hairspray Live! -- based on the Tony Award-winning Broadway musical -- is getting ready to say “Good morning, Baltimore!”

Ariana Grande and Seth MacFarlane Are Adorable Performing Rodgers and Hammerstein Classics: Watch

In the preview of the upcoming live musical, Grande twirls in pigtails as Penny Pingleton, while Hudson fabulously stars as Motormouth Maybelle. The whole cast breathes in plenty of hairspray in promotion for the musical.

Watch below:

Hairspray Live! is set to air Dec. 7 at 8 p.m. ET on NBC.