Watch: Ariana totally nails impressions of Britney, Christina and Celine

She may have been keeping a low profile since *that* bakery footage emerged earlier this summer, but notorious doughnut-licker Ariana Grande has burst back into public consciousness in perfect style last night (September 15) with an incredible series of diva impressions on Tonight with Jimmy Fallon. We all knew Ariana could nail a Celine Dion impression after her hilarious appearance on the show back in March, but the 22-year-old Break Free singer managed to showcase even more of her repertoire for Jimmy's musical impression generator game - and the results are Christina Bianco levels of good. ariana Not only does she manage to nail Britney's gurgle and Christina Aguilera's booming runs, she's even perfected Celine's iconic mid-performance ad-libs and hand gestures. Check it out below: It's hardly surprising Ari's got these skills down though - she's been honing them since her Nickelodeon days, as this incredible pre-pop stardom practice video demonstrates... More stories: CBB: Austin pulls off James's towel, world lets out collective gasp (NSFW) 55 years together: Is this Britain's most enduring gay couple?