Serena Williams reacts during the Leagues Cup 2023 match between Cruz Azul and Inter Miami CF at DRV PNK Stadium on July 21, 2023 in Fort Lauderdale, Florida. (PHOTO / AFP)

Tennis great Serena Williams has given birth to her second child, a girl named Adira River Ohanian, and along with husband Alexis Ohanian welcomed the new arrival in social media posts on Tuesday.

"Welcome my beautiful angel," Williams wrote in the caption of a video posted on TikTok that shows her, Ohanian and their four-year-old daughter Olympia embracing the newborn.

"I'm grateful to report our house is teaming with love: a happy & healthy newborn girl and happy & healthy mama. Feeling grateful," Ohanian posted on messaging platform X, formerly known as Twitter

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"I'm grateful to report our house is teaming with love: a happy & healthy newborn girl and happy & healthy mama. Feeling grateful," Ohanian posted on messaging platform X, formerly known as Twitter.

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The 23-time Grand Slam champion, who said she was "evolving away" from tennis after last year's US Open, confirmed on the red carpet of the Met Gala in New York in May that she was expecting baby number two.

Serena Williams and Alexis Ohanian attend The 2023 Met Gala Celebrating "Karl Lagerfeld: A Line Of Beauty" at The Metropolitan Museum of Art on May 01, 2023 in New York City. (PHOTO / AFP)The announcement made a return to competitive tennis appear highly unlikely for 41-year-old Williams, one of the most decorated athletes ever to pick up a racket