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LEGEND. Serena Williams retires from tennis after bowing out of the US Open.

Danielle Parhizkaran/USA TODAY Sports/Reuters

Tennis great Serena Williams ends months of speculation over a rumored return with a cheeky social media video

Serena Williams has become the latest A-list athlete to plan an encore performance with a return to competitive tennis after a nearly four-year absence for the 23-time Grand Slam winner and mother of two.