In this must-see, exciting live finale, all of The Biggest Loser contestants from this season return for a special reunion and a chance to weigh in one last time and show America how much weight ...

When Ali Vincent became the first woman to win The Biggest Loser weight loss competition in 2008, it was a watershed moment for the NBC reality show. Ali Vincent winning Season 5 of ‘The Biggest ...

Kai remembered, "my season had a lot of Franken-foods ... Rachel Frederickson, who won The Biggest Loser in 2014, was 5-foot, ...

Rachel Frederickson is the winner of The Biggest Loser’s 15th season, taking home $250,000. Have a look at all the facts on the Stillwater, Minnesota native and her giant transformation.

Join Biggest Loser Club today. Ali Vincent and her outspoken mom, Bette-Sue Burklund, joined the Season 5 cast as a mother/daughter team. Both would be eliminated, but a determined Ali ...