A summer of fashionable spoilers, from ‘Devil Wears Prada 2’ to ‘American Love Story’

For fashion lovers, movie 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. Both productions filmed in the busy streets of New York, and the widely shared footage sparked conversations around the proverbial watercooler about the creative direction of their beloved characters or real-life figures like Carolyn Bessette-Kennedy. They may have been polarizing, but the costume designs had everyone talking — and film industry experts say that was, perhaps, the point.

Brand analytics firm Launchmetrics reported that photos of designs from the brand Gabriela Hearst, including a colorful patchwork maxi dress