The famous model has just launched a three-pack of David Gandy Wellwear 'Ultimate Trunks' for £45 and has been giving advice on how often men needs to buy new View 3 Images David Gandy is advising men to throw their old undies out every six months (Image: Dave Benett/Getty Images)

Supermodel David Gandy has said that blokes should change their undies every six months. ‌

The 45-year-old, who became the world’s highest-paid male model after posing in white Speedos for Dolce & Gabbana in 2007, fellas should bin all their pants twice-a-year. The dad-of-two, who has a £15m fortune and has just launched a three-pack of David Gandy Wellwear ‘Ultimate Trunks’ for £45 - which is £15-a-pair. ‌

Speaking this week, he said that fellas shouldn’t hold onto ‘old undies’, saying that i

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