Rachel Fredericks, 'The Biggest Loser' Winner Gained 20 Pounds After Show Ends

The latest winner of "The Biggest Loser" competition Rachel Frederickson has undergone yet another transformation.

The 24-year-old shocked audiences when she appeared at the show's finale looking extraordinarily thin; even former trainers, Jillian Michaels and Bob Harper could not contain their shock after seeing a much thinner Frederickson walk on stage.

Frederickson, a former athlete, received backlash for losing "too much" weight during the NBC show. She denied reports that she was suffering from the eating disorders anorexia or bulimia. 

Us Weekly reported that Frederickson lost 60 percent of her original body weight. At 5'4" she went from 260 pounds to 105 pounds. Now, Frederickson is showing off her 125-pound frame. 

Frederickson has gained 20 pounds since winning the reality TV competition two months ago. She told the magazine that she is happy with her weight gain and she continues to lead a healthy lifestyle

"I've gone up about 20 pounds," she told Us Weekly. "I think I'm at my perfect weight!"

The reality TV contestant lost as much as 155 pounds throughout the "Biggest Loser." During an interview with PEOPLE magazine Frederickson revealed she ate 1,600 calories in her daily diet and worked out six hours a day. Frederickson has now significantly toned down her diet and exercise regime.

Frederickson shared, "I work out an hour, six days a week. I love classes like SoulCycle. I also loosely count calories, but sometimes I might eat an Oreo. It's not the end of the world!"

The NBC weight loss show provides Frederickson with a psychologist and nutritionist she can contact when she needs them.

"We have monthly calls with the other contestants and the show psychologist," Frederickson explained to Us Weekly. "And our nutritionist is available 24/7. I'll call her from the farmers' market and say, 'What is this? How would I cook it?'"

Frederickson said she has no regrets and considers the backlash against her thin appearance "a gift."

"It started a discussion about body image," Frederickson said. "That's huge."

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