By K.C. Blumm / People
March 22, 2015

We already knew she could give Mariah Carey a run for her money when it comes to vocal gymnastics, but Ariana Grande showed that she can also channel another diva when she appeared on The Tonight Show on Friday.

The “Love Me Harder” singer, who was making her first appearance as a talk show guest (as opposed to a musical performer), nailed an impression of Céline Dion when Jimmy Fallon asked her to join him in an impromptu duet – she even got the French accent and heart-pounding hand gestures down.

Earlier in the show Grande, 21, joined Fallon for another installment of his “Ew!” sketch and the former “Sam & Cat” star showed that she still knows how to get in touch with her inner teen.

But those weren’t her only impressive feats. Grande, who is learning Japanese, also tried to teach Fallon some simple phrases, and one not-so-simple one. “It means the space between my high sock and my skirt is very sexy,” she explained, prompting Fallon to crack up.

This article originally appeared on People.com

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