Defending champion and top seed Serena Williams has won the Australian Open women's title for the fifth time. In the final in Melbourne yesterday, she defeated Belgium's Justine Henin 6-4, 3-6, 6-2. The American claimed her 12th Grand Slam with this win. Williams also won in the women's doubles with her sister Venus.Leander Paes will aim to equal the record of most number of Grand Slams won by an Indian in the mixed doubles final of the Australian Open in Melbourne on Sunday.Swiss star Roger Federer will meet Britain's Andy Murray in the Men's Singles final of the Australian Open on Sunday.