In addition to a slimmer physique, Britt went home with $250,000 Tuesday night.
He started the weight-loss competition show at 389 pounds.
Former professional wrestler Kim Nielsen of Roswell, Ga., was named runner up. The single mother of three began the show at 252 pounds and weighed 134 at finale.
Alison Sweeney serves as host of the show.
Notable deaths of 2014 [PHOTOS]
'7th Heaven' cast reunites for family dinner