A mid-length black dress will work best for this look
Decode Formal and Black-Tie Gown Rules: Length, Fabric, Silhouette, Neckline, and Color Formal and black-tie rules require floor-length gowns, satin or silk or velvet or sequin or lace fabric, mermaid or column or ballgown silhouettes, polished necklines (V, halter, sweetheart, one-shoulder), and jewel-tone or black or metallic colors
Best corduroy Pros: Thick, opaque material Cons: Some reviewers complained that its belt runs small This corduroy shacket dress comes with a removable belt and can be sized up or down, whether you like an oversized or slim-fitted look
Clean, minimalist silhouettes from Ralph Lauren, Solace London, and Norma Kamali underscore the inherent elegance of black, allowing the focus to rest not on the dress, but on the woman wearing it