Williams' daughter wore an adorable U.S. Open tutu

Serena Williams has used the power of the tutu to make her way to the 2018 U.S. Open finals.

And now, Olympia has joined in the fashion fun.

It's a tutu!!!! And the outfit overall looks familiar - this is what Serena wore during her opening match:

(Photo by Julian Finney/Getty Images)

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Serena Williams' daughter wore an adorable U.S. Open tutu just like her mom

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