Will Asda's £6 bottom-boosting briefs REALLY give you a Kim Kardashian behind? FEMAIL tests the best-selling pants

Sales have risen 4,600 per cent online and 917 per cent in store this week - with smaller sizes proving most popular.

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How shapewear sparked a billion-dollar underwear war

Kim Kardashian doubles value of shapewear company in just 9 months

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Kim Kardashian: Skims men's underwear review

Take that, haters: Kim Kardashian's Skims just doubled in value to

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Kim Kardashian: Skims men's underwear review

Want a rear like Kim Kardashian's? We tested products that say

Asda News on George Clothing, Direct and Christmas Offers - Page

Kim Kardashian doubles value of shapewear company in just 9

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The Inside Story of Kim Kardashian West's Billion-Dollar Shapewear

Kim Kardashian's Skims shapewear slammed over 'troubling' sizing