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“I’m kinda known for my dancing so this is gonna be easy for me,” Jimmy Fallon said to internationally renowned music and dance superstar Jennifer Lopez, presumably as a joke.

Before his interview with Lopez on Friday’s episode of The Tonight Show, Fallon faced off against his guest in this “Watch It Once” TikTok challenge. The rules are simple: you watch a TikTok dance video one time and then do your best to recreate it. Then you rewatch the original alongside the attempts to recreate it, and whoever’s dance is closest gets the point.

I won’t spoil who wins here. But you probably know who it is already (and not just because of the headline).