The first-time mom-to-be and her guests wore poodle skirts to the "shake, rattle and roll," retro-themed baby shower.
Take a Look Inside Serena Williams’ Epic Baby Shower
Serena Williams, who is expecting her first baby with fiance Alexis Ohanian, celebrated her L.O. on the way with a '50s-themed baby shower this weekend! The mom-to-be and her guests took to Instagram to share photos and videos from the retro-themed affair, during which guests -- like her sister Venus Williams, Ciara, Kelly Rowland, Eva Longoria, La La Anthony, and songwriter Angie Beyince -- wore poodle skirts, listened to a jukebox, hung at an old school diner they called the Baby O Diner, and rocked ponytails.
Williams herself took to Instagram to share this group shot, writing, "When you and your crew go so far back to the 50's. Even then they had your back." So fun!
And Ciara posted this adorable video of herself with Serena and Venus, writing, O’ Baby!! Love You Rena. Truly an Exciting Time!”
She also shared a collection of seriously cool posed photos from the hugely happy occasion.
The shower didn't seem to give away any clues about the baby's gender, which Williams has said she's keeping a surprise. But Ohanian recently dropped by Jimmy Kimmel Live! and dropped this hint: “[Serena] won the Australian Open while pregnant. And she remarked that she feels like it has to be a girl because everything that that baby went through and handled like a champ, only a woman could be strong enough to take on."
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Love it! Either way, the world can't wait to meet the tennis champ and Reddit co-founder's sweet L.O.!