That would be Alexis Olympia, the 3-month-old daughter of tennis great Serena Williams and her husband, Reddit co-founder Alexis Ohanian.
In a new snap shared to her own Instagram account, the baby girl looked ready for some sporty action, adorably holding her fists up to the camera in a surprisingly professional-looking boxing pose.
“Dad & I hit the gym hard today,” read the caption on the Monday post.
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From Pen: Christie Brinkley