MELBOURNE, AUSTRALIA - JANUARY 28: Serena Williams of the United States winks during a press conference after winning the Women's Singles Final against Venus Williams of the United States on day 13 of the 2017 Australian Open at Melbourne Park on January 28, 2017 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)

Serena Williams may have just completed the greatest feat in sports history

Unreal.

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