Last night's episode of The Tonight Show Starring Jimmy Fallon saw the talk show host go head to head with musical impression superstar Ariana Grande in lip sync conversation!
Incorporating hits both current and classic, Ariana and Jimmy belt out verses by Justin Bieber, Sia, DNCE and more. Watch the above video now to enjoy the FULL clip and shop below to steal Ariana's adorable LBD look...
Video Credit: The Tonight Show Starring Jimmy Fallon
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