Billie Eilish interviewed 'Wicked' star Ariana Grande after a screening of the movie, and the musicians hinted that a collaboration could be in their future.

Eilish, in slip of the tongue moderating a Q&A, says only time for a few more songs, instead of questions. ‘We need to do that,’ Grande says.

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.