Mother-to-be Serena Williams recently partook in her latest photo shoot for the cover of Vanity Fair. Williams posed nude with her baby bump on display.

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In the interview for the upcoming August issue, Williams dished about how she found out she was pregnant, revealing it took six pregnancy tests to convince her, and shared her love story with fiancé, Reddit co-founder Alexis Ohanian. The couple became engaged in December 2016 and announced they were expecting in April.

NEW YORK, NY - MAY 01:  Alexis Ohanian (L) and Serena Williams attend the "Rei Kawakubo/Comme des Garcons: Art Of The In-Between" Costume Institute Gala at Metropolitan Museum of Art on May 1, 2017 in New York City.  (Photo by Dimitrios Kambouris/Getty Images)

Credit: Dimitrios Kambouris

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Credit: Dimitrios Kambouris

“I knew it was coming. I was like, ‘Serena, you’re 35, you’re ready. This is what you want,’” she said of becoming a mother and wife.

She might be ready in her own mind, but the tennis legend admitted that actually getting ready for the baby has been a challenge.

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“I don’t know what to do with a baby ... I’ve done absolutely nothing for the baby room,” she told the magazine. “If you would have told me last year in October or November that I would have a baby -- not be pregnant, but have a baby -- I would have thought you were the biggest liar in the world. This is kind of how I am right now. This is happening sooner than later, and it’s going by so fast.”

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Williams plans to return to tennis next year.