ALBAWABA - Ariana Grande and Cynthia Erivo delivered a stunning Wicked Oscars performance. With a passionate homage to the film adaptations of Oz, "Wicked" stars Ariana Grande and Cynthia Erivo kicked off the Oscars with a performance of "Defying Gravity" from their nominated picture. Grande appeared wearing a glittering red dress that evoked Dorothy's ruby slippers as she sang "Over the Rainbow" from "The Wizard of Oz" following a montage ...