She hasn't eaten a packet of crisps in more than three decades as part of her mega-healthy lifestyle.
And it looks like her dedication has paid off as Scots star Jenni Falconer shows off her athletic figure in photos during her family holiday.
The radio and TV host, 49, posted a series of images of her and her family as they enjoy a break in Greece, including one of her wearing a leopard-print bikini and sunglasses as she took a stroll in the surf.
She also posted one of her and her husband of 15 years James Midgley during a night out together.
Another snap shows them with their daughter Ella Rose, 13.
In March, Falconer revealed she had not eaten crisps or chips for 34 years due to her dedication to fitness, admitting 'I've never even tried a Pringle or had a McDonald's.'
The TV legend told Daily Mail she was bet £1 by her mother that she couldn't go a week without eating crisps or chips but she's now gone her entire adult life avoiding the deep fried snack and fast food, meaning there are some brands she has never even tried.
In an exclusive interview, the avid marathon runner revealed that her lifestyle, including waking up at 4am to present Smooth Radio's breakfast show, means she has to be disciplined, although she does treat herself to a 'margarita' on occasion with friends.
After taking up running when she was 19, the star says she no longer exercises to 'look good' but for the long-term benefits it has on her mental health, and she's relieved the days of skinny-worshiping 'heroin chic' are in the past.
She's also thankful her daughter Ella won't be influenced by 'fitness DVDs' and 'aerobics' now that influencers promote weightlifting and training in the gym is considered popular.
Falconer said: 'I am quite good with my discipline to be honest.
'I have a strict work schedule in the week, I am up at 4am, I juggle a few jobs, I’m training for the marathon, I go to the gym and play golf so when I meet my friends on the weekend, I do allow myself a margarita... but I am the type of person that if you challenge me, I will absolutely stick to it.
'When I was 14 my mum bet me a £1 that I couldn't stop eating crisps and chips, which were two things I loved, and so I did it... I quit them... and now it's 34 years later and I still haven't eaten them.
'Since I quit crisps, there has been Pringles and Kettle Chips, they weren't even around when I quit crisps. I never have fries... I have never had a McDonald's.'