Reigning tennis superstar Serena Williams was born on September 26, 1981 in Saginaw, Michigan. She is the youngest of five girls.
Williams started practicing with her father two hours a day when she was 3 years old with her sister Venus Williams on tennis courts in Compton, California. Their father taught them to play tennis through books and videos.
Williams turned pro in 1995 and rose quickly with her sister. In 1999 she won the US Open title, her first Grand Slam victory. Over the next decade, she took over the sport. In 2013 she won her 17th Grand Slam title at the US Open. She has won 10 double titles with her sister Venus Williams.
Williams has four Olympic gold medals, one for women's singles at the 2012 London Games and three for women's doubles overall. On February 18, 2013, Williams was number 1 in the world. 1 player in the WTA.