Popsugar Fashion Amazon Cocktail Dresses From Amazon These 20 Stylish Cocktail Dresses Are All Under $20 on Amazon — Seriously 6 February 2018 by Krista Jones View On One Page Photo 4 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Formal Lace Cocktail Dress The sleek Formal Lace Cocktail Dress ($17) is an elegant choice. Previous Next Start Slideshow ShoppingAmazonParty DressesWinter FashionDresses