Anne Hathaway's wardrobe on the set of The Devil Wears Prada 2 is starting to raise some eyebrows.

Anne Hathaway is showing off big smiles and bold new fashion choices on the set of “The Devil Wears Prada 2,” the long-awaited sequel which is now filming on the streets of New York City.

The film’s curated wardrobe, styled by Patricia Field, and its depiction of the fashion industry’s allure fueled widespread fascination with high fashion, but also led to resurgences in the popularit...