SINGER Casey Donovan has posted an impressive before and after weight loss picture on her Instagram page.
The I'm a Celebrity Let Me Out of Here winner claims to have lost 23kg in 15 weeks.
She credits the WLCW group for helping her drop the weight.
"When motivation lacks, I look at how far I've come and I don't ever want to go back to that girl in the white singlet," Donovan writes in the Instagram post.
"@wlcw.aust has changed my life, not only in shape and size but my mindset. It's not an easy road, (I'm not going to lie) but the pay-off is so rewarding! Just to feel better in health and be able to run a little longer each week makes me feel so much stronger in the person I am, and how proud I am of myself for coming this far.
"It's a long road and I am going to give it all I got!!"
Speaking to Woman's Day last month, Donovan said she started to lose weight by swapping her favourite fast food meals and carbs for a high-protein diet. She also started to walk 15,000 steps a day (including 5,000 steps before breakfast). Sometimes she walks for 90 minutes at night to reach her steps goal.
Donovan's weight loss journey was kickstarted by her time in the jungle on reality TV show I'm a Celebrity, Get Me Out of Here.
The 29-year-old singer lost 17 kilograms while on the show, where celebrity contestants lived off daily basic diet rations of 25 grams of oats, 45 grams of beans, 50 grams of rice, 200 grams of vegetables and two tablespoons of oil.
"I didn't expect [to lose] 17kgs, I was maybe thinking five or eight," she told Sydney Confidential at the end of the series.
"I'm happy. I'm never confident about weight, it is something that I don't like to stand on scales."
She also said that she was keen to continue her weight loss journey after the cameras stopped rolling.
"I would like to continue on, you know, kind of eating clean and not going back to old habits. "Although I am happy and confident in my own skin now, I would like to feel how it is to be happy and confident in a new skin and with a new look on life."
But unfortunately once Donovan returned to every day life after her stint in the jungle she put on 7kg in just six weeks - mainly thanks to eating McDonald's and drinking alcohol.
She then got serious about weight loss and set herself a goal to get her weight under 100kg.
"I could see myself making all the same mistakes and I knew I had to do something," she told Woman's Day.
Since making that call she has lost well over 36kg since January.
"I can't remember the last time I bought a size 18 pair of jeans," Donovan told the magazine.
Despite giving up on dating websites, Donovan says she feels more confident thanks to her slimmer physique, and is ready to find romance.
"I'd love to meet someone," she said.
"I'm almost 30. I've never been in a relationship except a fake one for six years [when a female friend conned her into believing she was her boyfriend during an online relationship], so yes, I'd love to meet someone when the time's right."