The 39-year-old beauty admits her delicate frame would suffer without regular food.
She fumes, "It's absolute rubbish because I have a gall stone and low blood sugar so if I had one meal a day I'd been in hospital.
"I can't go for more than four hours without eating something or I feel physically sick."
Instead the Austin Powers star insists staying active and not having a television helps her keep in enviable shape.
She adds, "I don't have a television set and I do a lot of walking, a lot of gardening, I take the dogs out, I run around fields with my son the whole time and carry him for miles.
"My house has five flights of stairs which I spend my life running up and down and I don't sit still very much."
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