Ariana Grande and Cynthia Erivo brought Oz to the Oscars, kicking off the 97th annual ceremony with a musical medley from “The Wizard of Oz,” “The Wiz” and “Wicked.” After a tribute to Los Angeles, which is recovering from devastating wildfires,

I wanted a big dress for the Oscars if i made it here and here we are ... in this big giant dress. I feel amazing in it!”