Joan Ogden, from Wigan, saw the women picking her 80-year-old husband, Brian's pocket while they were on holiday in Benidorm, Spain.
But, despite her age, she wasn't going to let them make off with his money and so she gave chase, eventually catching them and taking back the wallet.
We bet they didn't expect that!
Son Mick was quoted in The Sun, saying: "They obviously thought they were a soft target. They'd been following my mum and dad for a bit but she saw them. She hung back and saw them put their hand in my dad's pocket."
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