Even if you ask Ariana Grande to sing a joke song, you're going to walk away with something incredible. That's the lesson Jimmy Kimmel learned on Wednesday night when he asked the "Wicked" star to take a crack at his "Wing It and Sing It" segment,

Ariana Grande, who is no stranger to improv musical challenges, flexed her singing chops once again on Wednesday's episode of Jimmy Kimmel Live. The late night host introduced the Grammy winner to the stage and declared,