VIDEO: Ariana Grande Does 'Ew!'; Spot On Celine Dion Impression on TONIGHT SHOW

On last night's TONIGHT SHOW, Jimmy showed a clip from the Teen Nick show "Ew!" in which Sara and her friend Alexa (Ariana Grande) have a sing-off. Later, Grande and Jimmy impersonate Celine Dion and Peabo Bryson as they sing "Beauty and the Beast." Check out the clips below!

ARIANA GRANDE first landed at the top with her first full-length album for Republic Records, Yours Truly. It debuted at #1 on the Billboard Top 200, Billboard Digital Albums Chart, and iTunes Overall Albums Chart. Moreover, it yielded the game-changing pop smash "The Way" featuring Mac Miller. The first single from her sophomore album, "Problem" featuring Iggy Azalea, saw her become the "youngest woman to debut with over 400K sold first-week".

GRANDE won "Favorite Breakout Artist" at the People's Choice Awards 2014, the "Young Influencer Award" at the iHeartRadio Music Awards, and the "Radio Disney Chart Topper Award". The singer made her Broadway debut in the musical '13.'

About The Tonight Show

In 2014, "The Tonight Show" returned to its New York origins when "The Tonight Show Starring Jimmy Fallon" made its broadcast debut from Studio 6B in Rockefeller Center. Emmy Award- and Grammy Award-winning comedian Jimmy Fallon brings a high-tempo energy to the storied NBC franchise with his welcoming interview style, love of audience participation, spot-on impersonations and innovative sketches.

Critically praised Grammy winners The Roots serves as "The Tonight Show" house band.

Photo: Douglas Gorenstein/NBC