black flapper dress amazon SWEETV Women's Dresses 1920s Great Gatsby Dresses Sequin Fringed Roaring 20s Cocktail Small : Clothing, Shoes & Jewelry Women's Lace Floral Bridesmaid As one of the Satin Wedding Dresses and Bridal Gowns Color:Black/Hot Pink

black flapper dress amazon SWEETV Women's Dresses 1920s Great Gatsby Dresses Sequin Fringed Roaring 20s Cocktail Small : Clothing, Shoes & Jewelry Women's Lace Floral Bridesmaid As one of the Satin Wedding Dresses and Bridal Gowns Color:Black/Hot Pink

Women's Lace Floral Bridesmaid Dresses Long Aline Straps Maxi Wedding Guest Dresses Side Slits Long Party Gowns Black XL

For a black cocktail dress specifically, three options do most of the work

Satin Wedding Dresses and Bridal Gowns

Color:Black/Hot Pink

There is more inspiration in this article on sequin dress outfits

As one of the most familiar symbol of the Roaring Twenties