Naomi Osaka is the Australian Open champion after she edged out Petra Kvitová in three sets.
The Japanese star claimed the first set on a tie-break before the eighth seed fired back to take the second 7-5, saving three championship points in the process.
However, Osaka won the final's deciding set 6-4 to make it back-to-back Grand Slam victories following her triumph at the US Open.
Sunday's men's final sees the top two seeds Novak Djokovic and Rafael Nadal meet at the Rod Laver Arena.