Serena Williams of the United States celebrates defeating Ashleigh Barty of Australia in their women's singles match at the Australian Open 2014 tennis tournament in Melbourne January 13, 2014. ... more 
Serena Williams of the United States celebrates defeating Ashleigh Barty of Australia in their women's singles match at the Australian Open 2014 tennis tournament in Melbourne January 13, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS) less 
1 / 31
Reuters | Photo By DAVID GRAY / REUTERS
Mon, Jan 13, 2014 6:39 AM EST