As a superfan of the musical herself, the pop star would've had the same reservations, she says. "I probably would've said the same thing."

As the pop star portrays Glinda in 'Wicked', Ariana Grande opened up about the pressure of taking on such a highly-regarded role.

Ariana Grande and Cynthia Erivo might be powerful witches now, but years ago, they were simply munchkins with big dreams. And in a new Xfinity commercial that premiered Tuesday (Nov. 12), fans are reminded of the long yellow brick road both women took to make their dreams come true through being cast in Wicked,