Originally appeared on E! Online

This article contains spoilers for the movie "Wicked: For Good."

Cynthia Erivo and Ariana Grande changed the ending of their " Wicked " story, for good.

And that manifested itself in unscripted parts of what many fans will consider to be the most emotional moment of director Jon M. Chu's "Wicked: For Good:" Elphaba and Glinda's final scene together, in which they sing about how their friendship has changed them in the song "For Good."

"We'd sort of run through what it could be, and then right after the song where it would end, we just kept going," Erivo—who reprises her role as Elphaba—told Today in an interview released on Nov. 21, "and Chu just didn't stop us."

In the scene, after the friends-turned-adversaries finish singing, Elphaba tells G

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