Serena Williams introduces newborn daughter to the world

Serena Williams shared the first photo of her daughter, Alexis Olympia Ohanian Jr., Wednesday on Instagram.

Named after the 23-time Grand Slam champion's fiance, Reddit co-founder Alexis Ohanian, the baby girl was born Sept. 1 in Palm Beach, weighing six pounds and 13 ounces.

Williams also shared an Instagram story documenting her pregnancy journey:

Serena Williams introduces newborn daughter to the world
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These just went up on alongside I-10 into Palm Springs. @OlympiaOhanian & I wanted to welcome her back to tennis. Designed them myself, with some help from Jr. #GMOAT