NBC’s live telecast of Hairspray is still underway, but Jennifer Lopez is already gearing up for the network’s next big musical production, Bye Bye Birdie Live! Lopez tweeted a video teasing the musical, in which she will star, halfway through the East Coast performance of Hairspray Live! on Wednesday evening. The show is the latest in the network’s series of live televised musicals, including The Wiz, Peter Pan, and The Sound of Music. Bye Bye Birdie Live!