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'The Biggest Loser': 6 contestants' weight loss success (Photos)

Ali Vincent competed on 'The Biggest Loser' during its couples-themed fifth season. Originally weighing in at 234 pounds, Vincent - who was 32 at the time - lost a total of 112 pounds (47.86 percent  of her former body weight) and weighed 122 pounds at the time of the finale on April 15, 2008.   Currently, Vincent hosts her own show, 'Live Big with Ali Vincent,' on the Live Well Network. In a 2014 episode of the show, Vincent says she has gained 45 pounds since winning 'The Biggest Loser' and currently weighs 167.5.      (Pictured: Ali Vincent appears at the Divas Half-Marathon in Long Island in East Meadow, New York on Oct. 6, 2013.) <span class=meta>(Seth Browarnik / startraksphoto.com)</span>
February 5, 2014 3:40:58 PM PST