Ariana Grande just took us back to the old days when she used to do celebrity impressions on YouTube. On Tuesday night, Ari visited Jimmy Fallon on "The Tonight Show" to play a game of "Wheel of Impressions"... and to announce that she's releasing her new single "Focus" on Oct. 30.

She tried out Christina Aguilera, Celine Dion and Britney Spears, and also duetted The Weeknd's "Can't Feel My Face" with Sting. Ahem, I mean Jimmy. The impressions, of course, are spot-on.

Takes us back...

Even Xtina approved!

Ariana has always been able to channel other artists while putting her own spin on things. When she visited MTV for "Total Ariana Live" in 2014, she did a Broadway rendition of A$AP Rocky's "F--kin' Problems":

Which impression would you like to see Ari do? Tell us in the comments!