Meet the 70-year-old Grandma with an incredible bikini body - NZ

Perth grandmother-of-four Carolyn Hartz doesn't spend hours in a gym or subscribe to a life of kale smoothies to get that enviable body. In contrast to the

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Superfit granny, 70, shows off her incredible bikini body - and

Meet the 70-year-old Grandma with an incredible bikini body - NZ

I'm 91 but when I put on a bikini I'm mistaken for a woman in

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Meet the inspirational 70-year-old personal trainer with better