Why not start your party dress shopping online now. We'll make sure you look stunning at the party in any one of these party dresses. While bright colored dresses are guaranteed to turn heads, darker jewel toned or neutral colored dresses show off your sophisticated side. If you're looking for wedding guest dresses, choose your dress in cheerful colors like red, orange, yellow and green. For cocktail parties, dresses in black, white, nude, blue and grey are both classic and timeless.