A deleted scene from Wicked gives more insight into a character's motivations, and hints at what's to come in the sequel ...

That all changes after Glinda's prank on Elphaba at the Ozdust Ballroom goes south. While Glinda takes the low road, setting Elphaba up to be humiliated, Elphaba takes the high road and gets ...

and Glinda (Oscar-nominated Ariana Grande), the Good Witch. The defining moment that begins this friendship takes place in the Ozdust Ballroom. Although described in the script, Kerstein says, ...