The Biggest Loser Paul Marks the twelfth contestant eliminated from 'The Biggest Loser' 02/20/2008 Kelly Fields was concerned her ex-husband Paul Marks would be unable to maintain his diet and exercise regimen when faced with the challenge of going home. Read More RELATED NEWS Former 'The Biggest Loser' winner Ali Vincent begins new weight-loss journey after regaining all her weight'The Biggest Loser' fifth-season winner Ali Vincent ties the knot'The Biggest Loser' host Alison Sweeney has a baby girl TAGS: The Biggest Loser Bob Harper Jillian Michaels