Ariana Grande Stuns with Performance for NBC's 'A Very Wicked Halloween'

If you're looking to cry happy tears today, look no further than Ariana Grande's performance for NBC's A Very Wicked Halloween special. 

Ari performed a stunning rendition of "The Wizard & I" -- and the moment has been years in the making, as she's been a fan of the broadway smash since she was just a kid. Check it out below!