Normani knows that her friend Ariana Grande has changed her for good. The Fifth Harmony alum attended the Los Angeles premiere of Wicked Nov. 9 to support her friend of more than a decade—who stars as Glinda the Good Witch opposite Cynthia Erivo’s Elphaba in the film adaptation of the Broadway show—and shared how the “Positions” singer has supported her solo music career.

Ariana Grande attended the Los Angeles premiere of Wicked, the Jon M. Chu adaptation of the hit Broadway musical wearing custom Thom Browne.

In this week’s Sunday Sitdown, Grammy, Tony and Emmy-winning actor Cynthia Erivo joins Willie Geist to talk about starring as the green-skinned witch Elphaba alongside her friend Ariana Grande in the highly-anticipated movie musical “Wicked.