Ariana Grande shows off her toned legs while making an appearance on The Tonight Show Starring Jimmy Fallon on Friday (March 21) in New York City. During the show, the 21-year-old singer, who is known for her amazing impersonations, wowed the audience while doing an impression of Celine Dion. Watch the video below! On the same day, Ariana and host Jimmy Fallon took part in a hilarious Ew! skit. WATCH Full VIdeo @ https://www.youtube.com/channel/UCekN7fumn5XxYFhibcIvpfQ