Grande first delivered a moonlit rendition of “Over the Rainbow,” which Judy Garland famously sang as Dorothy in the movie “The Wizard of Oz.” Erivo then belted her version of “Home” from the 1975 Broadway musical “The Wiz,” a Dorothy number originally performed by Stephanie Mills onstage and by Diana Ross in the 1978 film adaptation.

There is no place like Hollywood. And there is no opening like a "Wizard of Oz"-themed medley from "Wicked" stars Ariana Grande and Cynthia Erivo. Grande opened the 97th Academy Awards by singing "Somewhere Over The Rainbow" from "The Wizard of Oz,

The ‘Wicked’ star delivered an unforgettable performance, and two striking gowns, at the Oscars. “We wanted it to be a tribute to the beautiful women and witches who have come before us,” Grande says.