Why do American women wear tight jeans with their fat deposits drooping over their sides?

Americans have a close bond to jeans, considering their origin from france after all. Women in particular wear jeans in hopes of looking trim, casual, and even y, jeans aren't just for guys anymore. However, women can be so vain as to strap on a pair of two small jeans, and make more rolls than strohmen bakery because they think its bitchin hot when really.. its not.. like spandex, it doesn't work.