The "Wicked" stars took to the stage to perform a medley of "Wizard of Oz" themed songs for the opening number.

Grande first delivered a moonlit rendition of “Over the Rainbow,” which Judy Garland famously sang as Dorothy in the movie ...

The stars also paid tribute to “The Wizard of Oz,” with Grande singing “Over the Rainbow,” and “The Wiz,” with Erivo singing “Home.” ...