Serena Williams Shows Off Incredible Twerking Skills for Delta -- Watch!

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Game. Set. Match! Serena Williams has some amazing moves!
The No. 1 ranked women's tennis player in the world gets her twerk on in a new spot for Delta Airlines, proving that the 34-year-old athlete slays more than just grand slams!
Williams CRUSHES it in the collaboration with the airline and professional dancer, WilldaBEAST Adams, which comes as no surprise, since this is not the first time we've seen the tennis star bust a move.
Earlier this year, Williams appeared in Beyonce's "Sorry" video for her Lemonade album:
And then last month, Williams put on a master class in how to twerk.
Ohh, Serena, we have so much to learn from you!
Watch the video below to see a younger Serena tell ET the three secrets to winning a grand slam.