Do not adjust your screen. Those spots you’re seeing are intentional. Designers are channeling Cruella De Vil (sans fur) and adding dots to tops. Marc Jacobs’s cream-colored tank with metallic polka dots, worn with tulip capris, was casual and fun. Zero Maria Cornejo’s jacket-and-dress combo with yellow ovals added texture to an otherwise dull fabric. Lela Rose went for a more subtle look with a white-on-white mini-dress. Solidifying the dots’ trend status, Anna Wintour was spotted in, er, spots at Derek Lam. After all, when it’s in Vogue…