Glinda is the Good Witch played by Ariana Grande in Wicked For Good, the 2025 film sequel adapting the second act of the stage musical Wicked. The line comes from Thank Goodness I Couldn't Be Happier, where she addresses Oz during a public celebration. Clips of her most theatrical lines spread quickly among fans on social media after the soundtrack release, and this short sung exclamation became a reusable reaction for victories, announcements and glamorous reveals that deserve far more ceremony than they actually need.