Also in the final four ahead of the finale were Irene Alvarado and Jay Jacobs, who learned which of the two had won America's vote to compete for the ultimate prize and title of the Biggest Loser.
Keep reading to find out all the results of Tuesday's show ...
Joining Hannah and Olivia in an all-female final three, after the votes for America's choice were tabulated, was full-time student Irene Alvarado, who became a best buddy to the Purple Team during the season. Among them, a winner emerged.
After an incredible 129-lb. weight loss over a span of 8 months, New York City opera singer Olivia Ward, 35, was crowned season 11's Biggest Loser.
The 5'9" Ward started at 261 lbs. and ended at 132 lbs. Her sister, Curlee, who started at 248 lbs., weighed in at 128 lbs. for a difference of 120 lbs. And Alvarado, who started out at 255 lbs., weighed in at 139 lbs. for a weight loss of 116 lbs.
"For such a long time, I didn't even let myself imagine winning," Ward tells PEOPLE. "I will say the last few weeks I was really pushing towards the finish line and I thought about that confetti!"
"A lot of people told me to visualize that confetti," she continues. "Man, I have to tell you, it was not even anywhere as good in my mind as it was tonight. It was just fantastic."