It’s 2 a.m. on a Friday and an army of young ladies begins streaming onto the streets after a rousing evening of cocktails. Their uniform, worn from Lansdowne Street to Central Square and beyond, is easy to spot. Women in sausage-casing-tight black dresses stumbling in towering heels while trying to hail a cab.

It wasn’t always this way.

Sarah Jessica Parker took her “Sex and the City” character Carrie Bradshaw in some brave fashion directions. And yet, she inadvertently inspired this omnipresent nightlife silhouette. The fashion-obsessed Bradshaw, introduced to HBO viewers 15 years ago this month, has been distilled by fans into a simplistic formula: style means big designers, big heels, big swaths of exposed skin. Full story for BostonGlobe.com subscribers.

Christopher Muther can be reached at muther@globe.com. Follow him on Twitter @Chris_Muther

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