Cynthia Erivo opened the Oscars with a breathtaking performance of The Wiz classic "Home," paying homage to Stephanie Mills and Diana Ross.

Until they came back together to sing the Wicked‘s part one closer, "Defying Gravity." While Ariana watched in amazement, seeing Erivo soar, nailing those final notes, as did the audience. The performance earned a standing ovation.

The duo who star in the hit musical based on the Broadway play sang from 'The Wizard Of Oz', 'The Wiz' and 'Wicked'.