As previously announced, Ariana Grande and Cynthia Erivo will perform a “Wicked” medley to begin the Oscars ceremony.

"Ariana Grande and Cynthia Erivo will be on our stage -- it's going to be ... Other musical performers announced so far ...

Cynthia is nominated for Leading Actress for her portrayal of Elphaba, and Ariana is nominated for Supporting Actress for her ...

On Feb. 24 (local time), the Academy announced its lineup for the 97th Oscars, confirming that Lisa will take the stage ...