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MELBOURNE, AUSTRALIA - JANUARY 30: Serena Williams of the United States and Angelique Kerber of Germany pose at the net ahead of their Women's Singles Final match during day 13 of the 2016 Australian Open at Melbourne Park on January 30, 2016 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 30:  Serena Williams of the United States and Angelique Kerber of Germany pose at the net ahead of their Women's Singles Final match during day 13 of the 2016 Australian Open at Melbourne Park on January 30, 2016 in Melbourne, Australia.  (Photo by Quinn Rooney/Getty Images)