Popsugar Fashion Winter Fashion The Best Cocktail Dresses in 2019 12 Cocktail Dresses So Pretty, You'll Find Any Excuse to Attend a Party 17 October 2019 by India Yaffe View On One Page Photo 2 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Reformation Vivianne Dress This Reformation Vivianne Dress ($248) is so romantic and sexy. Reformation Vivianne Dress $248 from thereformation.com Buy Now Previous Next Start Slideshow ShoppingWinter FashionCocktail DressesDresses