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And you thought you were Britney Spears' biggest fan?! Top this. Britney superfan Gal Volinez edited the pop star's "Work B*tch" music video, replacing her with himself ... and it is AMAZING.

Gal learned the video's choreography, filmed himself in his house as he executed every exact move of Brit Brit's, and finally substituted himself for the final product. 

If Britney is ever in need of an extra back-up dancer, he is a great contender. Check it out below!