Nine years ago, when Duncan went on The Biggest Loser with Meg, her other sister Sarah-Jayne and her brother Jarrod, she was nowhere near as fit and healthy. Duncan says she started putting on weight when she was 19 or 20, after Meg moved to Sydney.
“I got really severe separation anxiety,” she remembers. “I actually started putting weight on due to that.”
She lost that weight, but then got “comfortable with life” and put it on again. When she saw applications were open for The Biggest Loser: Families, she encouraged her siblings to enter with her. She was 108kg when she applied for the show and 133.9kg when filming began.
“I knew we were going to get on, so I just let loose a little bit and ate too much,” she says with a laugh. “I was like, ‘Right, I need half my bodyweight to lose if I’m going to win this show.'”
Duncan did win, by getting down to 71.8kg, and she…