Serena Williams wants to teach you how to twerk.

And some lucky bystanders recently got a front row seat for the tennis great’s video tutorial.

Williams was reportedly shooting a commercial in Florida when, during a break from filming, she decided to explain the secrets behind twerking.

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“Twerking is a very popular dance right now,” Williams says at the beginning of the video which emerged online Tuesday. “Here’s how you twerk.”

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“Squeeze those quads… squeeze the glutes.. engage your thighs… take a wide stance… and slowly slide down.”

“Slowly relax, and twerk and five, and four, three more.”

Williams even went cheek to cheek with a passerby so that she could do a proper demonstration.

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Her friend Wally even joined in and then jokingly proclaimed, “Oh my back. I can’t do it.”

Williams then found a new partner, an older gentleman who didn’t seem to have any problems dancing along. Looks like the tennis star has another post-tennis back-up plan: Dance instructor.