Jennifer Lopez Spices Up O Readers' Wardrobes for Fall

Bibi Hoosein, 29, smartens up her little white dress with a faux-fur jacket and wristlet. "Forget the old rule that you can't wear white after Labor Day," says Adam Glassman. "The weather may be getting cooler, but optic white is hot. Just make sure you switch your shoes to a metallic or nude shade."

Cropped poodle fur jacket, $100; sheath dress, $70; Olivia wristlet, $49; Stretch bracelet with rhinestones, $38; Organic ring, $18.