black flapper dress amazon Spring Trendy SMihono Fashion Girls Sleeveless V-Neck Plus Size Vintage 1920s Tassel Great Evening Party Cocktail Dress 8 Women's Lace Floral Bridesmaid As one of the Satin Wedding Dresses and Bridal Gowns Color:Black/Hot Pink

black flapper dress amazon Spring Trendy SMihono Fashion Girls Sleeveless V-Neck Plus Size Vintage 1920s Tassel Great Evening Party Cocktail Dress 8 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