Anne Hathaway is turning heads as she returns to her iconic role in the highly anticipated sequel to The Devil Wears Prada. The buzz is all about her character Andy Sachs’ stylish transformation for the new film, as fans catch behind-the-scenes glimpses of Hathaway on set and sharing her excitement online.

So when luxury brand Prada SpA debuted a new type of footwear at Milan Fashion Week that bore a stark resemblance to them, it didn’t take long for the fury to build online. The saga underscores how much power the South Asian giant’s digital tribe holds ...