Pippa's behind is giving back.
British retailer Debenham says the sale of their Invisible Shaping Bum Boosters, the padded underwear that claims to increase your derriere by two inches, had outsold their non-padded counterparts by 148 per cent last week.
"Widely publicised photographs of Pippa's shapely behind have made 'bum envy' a part of everyday conversation for women all over the U.K.," a Debenham's spokesperson told the Daily Mail. "She has set the standard for how a perfect rear should appear."
One woman took part in a test session for The Sun in the U.K. and wore Debenham's padded underwear for the day.
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The verdict? "I got a lot of obvious attention at the bar, which I'm not used to. When playing pool, my new curves definitely made me stand out," 28-year-old Louise Dainton told The Sun. The extra padding, however, may not be the best look for the office. "I don't think these knickers are very appropriate for work -- they would definitely distract my colleagues too much," she told The Sun.
This isn't the first time Pippa's behind has inspired others. In September, one woman was compelled to get the "Pippa Butt Lift," a medical procedure that claims to transform a square-shaped butt into an "A shape," according to Jezebel.
Christina Valdez was followed by "Good Morning America's" Andrea Canning as she underwent the surgery. Valdez got fat transferred from her waist into her butt, making her a size two.
Padded underwear has also been in the market for years. From the "celebrity-worn" Booty Pop padded underwear to Bottom's Up collection for men and women, companies have found many ways to sell an enhanced behind.
But there are some other options. If you want to get the Pippa-inspired butt without going under the knife or spending money on undergarments, Hollywoodlife.com's celebrity trainers weigh in on their tips for a perky Pippa butt, and Shape Magazine gives their advice on getting Pippa's toned backside.
Check out some of Pippa's best looks.