Yahoo Lifestyle 
Roxy Jacenko reveals secret behind her incredible weight loss
Roxy Jacekno loves to flaunt her incredible body on social media.
Now the savvy business woman, who has reportedly lost 12kgs recently, has revealed the secret behind her banging bod.
And the answer might surprise you.
Talking on the Kyle & Jackie O Show earlier today, the PR maven was revealed she once used to tuck into McDonalds "every night for dinner," but now had a much more restrictive diet.
"Now it's nil by mouth," Roxy, 37, said. "And air. Literally."
The creator of Sweaty Betty PR was discussing her first ever job at a McDonalds drive-thru when she made the shocking revelation about her current food habits.
Host Kyle Sandilands had appeared shocked at her one-time love for the popular takeout chain.
"But look at your wonderful body," he said, clearly confused.
Roxy has become a recent fan of gruelling workouts, sharing videos of her sweat sessions with her 202k followers on Instagram.
Earlier this year, the mum-of-two told News.com.au that her enviable figure was all down to her strict training and insisted she wasn't starving herself.
“I needed to change the way I looked after myself,” she told the publication. "I was lazy with my health. Then when I got cancer ... it wasn’t an option — I had to start going to the gym.”
Her recent comments, which appear to be slightly tongue-in-cheek, come in light of criticism over her slender frame.
She also admitted whilst on the Sydney breakfast show, that since her husband Oliver Curtis has returned home from his stint in Cooma Correctional Centre for insider trading, making healthier food choices had been harder.
Roxy however doesn't seem fazed by others opinions and continues to post snaps of her rocking her active wear and smashing workouts in the gym.
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