Ariana Grande's career is one of transformation. She's mastered reinvention from her Nickelodeon beginnings to her chart-topping pop career. Now, in her most ambitious turn yet, she's poised to dazzle the Oscars as Glinda,

In the full interview, Ariana Grande also teased the new original song that she sings in the Wicked sequel, Wicked For Good. The song was written by Stephen Schwartz, the composer of the original Broadway musical, and is a “pivotal moment in Glinda’s journey.”

“It’s a pivotal moment in Glinda’s journey,” Grande teased on a recent episode of Variety ’s Award Circuit podcast. “It shows a side of her we’ve never seen before. In the stage show, this transformation happens offstage. But in the movie, we get to see her make the decision that defines who she is.”

For Good and performing a brand-new Glinda song in the movie.In a conversation with Variety’s Award Circuit Podcast, Grande shared