Five months ago, Irene, Jay, Olivia and Hannah were overweight and desperate to change their lives. Since then, they endured the longest season in Biggest Loser history to get to the live finale! Tonight, the eliminated players will weigh in for a chance to win the $100,000 at-home prize. Then the three finalists will weigh in one last time to see who will win the $250,000 grand prize and become this season's Biggest Loser! For the first time, two sisters have a shot at winning - and could it be an all-girl finale? Alison introduces Jay, who's gotten a tattoo saying, "What you're for strengthens you," with the finale date, to help keep him focused during future workouts. Irene's the next one to take the stage to find out that she's the one to win America's vote for the third finalist!