The new mom gave birth to a baby girl at a hospital in Palm Beach, Florida.
Williams has been diligently documenting her pregnancy on social media since her April 20th announcement, sharing several bikini-clad baby bump photos with her followers.
She even showed off her massive belly posing in a thong for the August 2017 cover of Vanity Fair.
“I don’t know what to do with a baby,” the she told the publication. “I have nothing … I’ve done absolutely nothing for the baby room.”
Williams and Ohania, 34, got engaged in December 2016 and have yet to reveal a wedding date.
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