"Thank God!" trainer Jillian Michaels told TV Guide, reiterating her previous comments about not being a big fan of the pairs format the show's last three editions have used. "This should be an individual journey -- it's not about your dad or your husband."
The Biggest Loser's eighth season cast will also include the NBC reality show's heaviest contestant ever -- Shauntina "Shay" Sorrells, who began the competition at 476 lbs..
Sorrells -- whose mother was a heroin addict, forcing her to live in foster care until she was 18 years old -- explained she used food as a way to cope with her past.
"It's very difficult, and you find yourself picking up the same habits, whether or not it's a needle. I picked up cake, a doughnut" Sorrells said during Access Hollywood's Tuesday broadcast. "So it's a habit, it's an addiction the same... it's just a different choice of drug."
Sorrells said her mother passed away three years ago due to a blood clot in her lung that was a result of years of drug abuse and poor circulation brought on by obesity.
"It was so clear to me that death was so imminent and so close for me because I'm heavier than she ever was," an emotional Sorrells told Access Hollywood.
Sorrells took the title of heaviest contestant ever from seventh-season participant Daniel Wright -- who tipped the scales at 454 lbs. before shedding 142 lbs. and weighing-in at 312 lbs. at the season finale's previously eliminated contestant weigh-in.
Wright is back for The Biggest Loser's eighth season, and he told TV Guide the reason for his return is to "finish what I started."
In addition, The Biggest Loser's eighth-season cast will include Amanda Arlauskas -- who was voted in as a contestant by home viewer votes that were cast during the show's live seventh-season finale in May.
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Michaels and Bob Harper will reprise their role as The Biggest Loser trainers, and the contestant with the highest weight-loss percentage at the end of the season will once again be awarded with a $250,000 prize.