embroidered long dress Black Floral Mermaid Maxi | Womens | XX-Small (Available in XS, S, M, L, XL) | 100% Polyester | Lulus Fully Lined Embroidered Maxi dress

Celestia $399 Diamond White Ball-Gown Strapless Matte Satin Dress 4.5 (35) Click to save this to your favorites

Brands like Karen Millen and Ted Baker offer stylish, sophisticated designs

This week, the hitmaker, 34, who welcomed her first child with A$AP Rocky in May, attended the Mexican Geniuses Exhibition at Dock X in London, wearing baggy black jeans and a loose-fitting, lace-adorned top

She wears this gorgeous dress in the 1943 drama and romance Flesh and Fantasy starring opposite Charles Boyer

Boning in bodice for added support and structure

Darker-colored suits, such as navy or dark gray, are appropriate cocktail attire