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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Kim Kardashian's bum could be all yours - a curvy rear for £6 from

Kim Kardashian's bum could be all yours - a curvy rear for £6 from

Primark fans obsessed with £6 shorts that give an 'instant Kim

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

Kim Kardashian: Skims men's underwear review

Asda launches £6 bottom-boosting knickers to make women's buttocks

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

Kim Kardashian's bum could be all yours - a curvy rear for £6 from

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