The Biggest Loser 'The Biggest Loser' reportedly making "small but significant tweaks" after Rachel Frederickson weight shocker 02/12/2014 The Biggest Loser will reportedly be making some important changes after fifteenth-season winner Rachel Frederickson "stunned" the show's audience and trainers by dropping down to only 105 pounds for the finale. Read More RELATED NEWS Jillian Michaels' partner Heidi Rhoades files to end their domestic partnershipRachel Frederickson: The "controversial storm" after I won 'The Biggest Loser' was hurtful and I had low self-esteemJillian Michaels says she didn't quit 'The Biggest Loser' TAGS: The Biggest Loser Bob Harper Rachael Ray