The Madison Keys who will play two-time defending champion Aryna Sabalenka for the title at the Australian Open on Saturday night is not the same Madison Keys who was the runner-up at the U.S.

MELBOURNE, Australia — Madison Keys beat Aryna Sabalenka 6-3, 2-6, 7-5 in the Australian Open final at Melbourne Park Saturday.

Aryna Sabalenka defeated Sloane Stephens in the first round of the Australian Open and then led Jelena Dokic in her signature TikTok dance.

Madison Keys -- using a mix of solid serves, power and defense -- upset two-time defending champion and top seed Aryna Sabalenka 6-3, 2-6, 7-5 to win the Australian Open on Saturday, giving the 29-year-old American her first Grand Slam title in 46 tries.

Keys' last and only other appearance in a grand slam final was eight years ago, where fellow American Sloane Stephens won the match against her. Related: Naomi Osaka & More Female Tennis Stars Reflect on the WTA's Legacy as U.