black sleek dress Berylove Women Mermaid Tie Short Sleeve Long Formal Dress with Slit Covered in shimmering sequins and intricate beading Velvi - Yvette Corset Gown

Lots of options here

Looking fab

It blends wool and cashmere for a luxurious and comfortable finish

Fit & Features Velvet fabric, moderate stretch Satin woven off-the-shoulder fold-over neckline Satin large bow back accent with floor-length train Hidden side zipper and hook-eye closure High waist seam High side slit Slim-fit silhouette Runs true to size Style Number/Barcode: 05002-8966 Category Name: Black Satin Dresses Price: $79.90 Availability: In Stock Available Color: BLACK-2 Available Size: L, XL Product Badge: Ships Free Madalyn V-Neck Ruffle Sequin Satin Mini Dress Special Occasion A sequin satin mini dress featuring a flattering V-neckline and bodycon silhouette complete with a flirty ruffled hem

However, stay away from anything with logos or miniatures, as these are a little too whimsical for the nature of a Black-Tie Optional affair