Hairspray Live! type TV Show

Ariana Grande has joined the cast of NBC’s upcoming Hairspray Live! musical, the “Dangerous Woman” singer announced on Thursday.

“Most of you know that I’m really just a musical theater geek,” she wrote on Twitter. “Like a really big one… so… my heart is very full re: this announcement.”

“I’m so honored and beyond excited to be a part of this dream cast,” Grande, whose previous acting gigs include roles in Nickelodeon’s Sam & Cat and Fox’s Scream Queens, tweeted. “I will for sure pass out at the table read.”

See Grande’s tweets below. Hairspray Live! premieres Dec. 7 at 8 p.m. ET on NBC.