Photo Flash: HAIRSPRAY LIVE! Cast Members Share Photos of Memories and Life After HAIRSPRAY

It's only been three days since NBC's latest installment in their series of annual live musical events, Hairspray Live!, but the stars of the production are already being hit hard with nostalgia! Several members of the cast, including Ephraim Sykes (Seaweed), Ariana Grande (Penny), and Tracy herself, Maddie Baillio, have taken to Instagram to express their post-Hairspray feelings. BroadwayWorld has rounded up some of the most adorable posts below-let us know which ones we missed, and fingers crossed Ephraim keeps his promise to flood our TIMELINES with more precious behind-the-scenes memories!

NBC's HAIRSPRAY LIVE aired Wednesday, Dec. 7 at 8 p.m. ET/PT and originated from Los Angeles. The all-star cast featured newcomer Maddie Baillioas Tracy Turnblad, Harvey Fierstein as Edna Turnblad, Jennifer Hudson as Motormouth Maybelle, Martin Short as Wilbur Turnblad, Derek Hough as Corny Collins, Ariana Grande as Penny Pingleton, Andrea Martin as Prudy Singleton and Kristin Chenoweth as Velma Von Tussle. Rosie O'Donnell and Sean Hayes will also made special appearances in the broadcast.

Live television director Alex Rudzinski joined director Kenny Leon ("The Wiz Live!"). Craig Zadan and Neil Meron (the upcoming "A Few Good Men Live!") served as executive producers of "Hairspray Live!" Harvey Fiersteinprovided a new teleplay and Jerry Mitchell ("Kinky Boots," "On Your Feet") served as choreographer for the live production with music and lyrics by Marc Shaimanand Scott Wittman ("Smash" and Broadway's upcoming "Charlie and the Chocolate Factory"). Derek McLane served as production designer.

Based on the Tony Award-winning Broadway musical, "Hairspray Live!" takes place in 1962 Baltimore. Teenager Tracy Turnblad's dream is to dance on "The Corny Collins Show," a local TV program. When, against all odds, Tracy wins a role on the show, she becomes a celebrity overnight and meets a colorful array of characters, including the resident dreamboat, Link; the ambitious mean girl, Amber; an African-American boy she meets in detention, Seaweed; and his mother, Motormouth Maybelle, the owner of a local record store. Tracy's mother is the indomitable Edna Turnblad, and she eventually encourages Tracy on her campaign to integrate the all-white "Corny Collins Show."