Why leaked set photos turn film spoilers into fashion debates

In this image provided by one social media user (@ericd14), actor Anne Hathaway is shown on set filming 'The Devil Wears Prada 2' in New York. Photo: AP

For fashion lovers, film spoilers aren't really about the plot. A leaked photo or paparazzi snapshot of an actor strutting in fiery red Jacquemus slingback heels or carrying a Coach handbag on set can speak volumes.

This summer, social media users were served a visual feast of photos and videos revealing costumes from the The Devil Wears Prada 2 and American Love Story – and found them not necessarily to their taste.