Our Summer days are admittedly preoccupied with thoughts of slipping out of the office early — outfitted in our favorite Summer dress — to grab a cocktail in the sun. Channeling Jalouse's Miami Belle editorial in a printed cocktail dress, we imagine sipping a cool beverage and soaking up the rays just as the sun's starting to fade. Fantasies aside, Summer cocktail dresses are a real necessity. From our seasonal weddings to weekend parties, our little dresses are in constant use. Along those lines, we've made adding to your wardrobe just a little easier. Craving a new party dress? Just click through to shop 20 of our favorite cocktail-perfect frocks, all under $150. Speaking of cocktail dresses, our own FabTV host Allison McNamara found seven ultra-sexy dresses for under $200, be sure to check it out!