Formal dresses are for slimmer and petite ladies, wait, and then what will the plus size ladies wear for the cocktails nights? The old myths are busted and now, a whole range of plus size formal dresses are availabe to different style and elegant designs. These plus size formal dresses are mostly floor sweeping in length and have chiffon layers to make the look layered. The color palette is full of black, grey and shades of navy blue. These dark and bold shades are good for the slimmer look and make the lady look petite. These dresses does not need much of the accessories, only a pair of diamond drops or danglers and a chunky bracelet will look best to complete the look.