Natasha Wagner, a 34-year-old from California, has been credited by the denim industry as having the most perfect butt in America. Vogue recently spoke with the fit model who has been working as its "secret weapon" for over a decade.

Wagner at 5-foot-8-inches is a size 28, which means her curves put her right in the middle of the average size range. According to her clients, she has an ideal hip-to-waist ratio that allows her to fill the jeans in a "very median way." 

“I kind of felt like I had won the lottery with my measurements because they were exactly what these companies were requesting,” Wagner said.

She became a regular for denim companies just six months after a friend's agency first took her measurements. Her ass has since helped shape the fit for brands like 7 For All Mankind, Citizens of Humanity, Proenza Schouler, Gap, and Levi’s

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