Ariana Grande and Billie Eilish. Following a screening of Wicked at the Directors Guild of America in Los Angeles, a hush fell over the room as the credits silently rolled and all eyes fell on the double doors to the right of the stage.

Best Supporting Actress Oscar nominee Ariana Grande gets granular about the intense work that went into her performance as Galinda in 'Wicked'.

As a kid, Grande loved singing karaoke with her family. "I looked up to Whitney and Mariah and Celine endlessly," she says. "I think that's a large part of the reason why I learned to sing."