"Your test tonight, should you choose to accept it, is to sing a song you've never the lyrics ... Ariana Grande Says She's ...

Ariana Grande, who is no stranger to improv musical challenges, flexed her singing chops once again on Wednesday's episode of 'Jimmy Kimmel Live.' ...

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