Grumpy Cat wants none of your silly dancing, humans. But even the web's grouchiest meme can't resist the booty-bopping beat of the "Harlem Shake."
Mashable has obtained exclusive footage of Grumpy Cat giving in to the most infectious thing to hit the web since the dancing baby went viral in 1996.
BONUS: 10 Terrific Grumpy Cat Tributes on Etsy
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