“Neutral hues like camel, taupe and grey are the best color palette for autumn,” Prommer says. And Jessica Alba’s sophisticated dress is the perfect way to look polished and put-together. Get it for cheap:

1. Sleeveless V-neck dress from Topshop, $90
2. Metallic gold belt from Gap, $19.50
3. Light brown sandals from Forever 21, $26.80