Watch Ariana Grande effortlessly perform a hilarious surprise song about being very, very tiny on late night: 'I am a human baby carrot. I am a lady Pikachu!'

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,

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,

"Wicked" star Ariana Grande stops by "Jimmy Kimmel Live!" where the late-night host convinces her to sing a song full of hilarious lyrics about her petite stature.