The 36-year-old lost the final, but her post-match runner-up speech was a big winner.
The American defeated her sister Venus in the Australian Open final, 6-4, 6-4.
It's Venus and Serena for all the marbles in Melbourne. Keep up with all the action on the Live Blog.
Rafael Nadal confirmed his identity as a big-match player.
King of Clay talks resuming rivalry with Grand Slam king.
Yonex may have a word with Stan about this smash...
Venus Williams has the perfect words when asked about inspiration after reaching the Australian Open final.