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

There's no place like the Oscars for Ariana Grande and Cynthia Erivo ... with her now-viral belting riff. In the Oscars race, Grande and Erivo's performances in "Wicked" earned them nominations ...

Ariana Grande, right ... with her now-viral belting riff. In the Oscars race, Grande and Erivo's performances in "Wicked" earned them nominations for best supporting actress and best actress ...