By Kat Rosenfield

Emma Stone is the official lip-synching champion of the world, and the rest of us — including Jimmy Fallon — should accept defeat, pack up our lips, and just go home to Loserville where we belong.

The actress appeared last night on "The Tonight Show" to herald the release of "The Amazing Spider-Man 2," and was offered a unique challenge by host Jimmy Fallon: to meet him onstage for a Lip Synch Battle to end 'em all. Each competitor had two chances to prove his or her lip-synching supremacy, with Jimmy kicking off the contest with an energetic rendition of Iggy Azalea’s “Fancy."

Emma, looking intimidated but game, volleyed back with Blues Traveler's "Hook," and crushed it as soon as she hit the first lyric ("Suck it in, suck it in, suck it in. If you're Rin Tin Tin or Anne Boleyn!") of the song's rapid-fire bridge.

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Jimmy then returned to the stage with "Mr. Roboto," but even he seemed to suspect that he was outmatched — and was proved right in the final round. Emma opted for DJ Khaled's "All I Do Is Win," and that was, indeed, all she did. This woman's lip-synching skills are crazy good. So good that we're not even totally sure that this wasn't a performance by Ludacris wearing an Emma Stone suit. So good that it's starting to look mighty suspicious that Emma Stone and Ludacris have never been photographed together, if you know what we're saying.