unique black dress for women Design New Best Modest Mermaid Long Evening Party P – bridalsew in bra for a flattering fit Classic black dress, with modern

Unless you have kids, of course

If you do not want a gown, choose a dressy midi or ankle-length dress in a formal fabric with evening accessories

Dua Lipa in Celine Dua Lipa was enthralling in a stunning one-shoulder black Celine gown with asymmetrical slashes

Peak lapels on the suit jacket and sleek polished Oxford shoes enhance the overall formality of the attire

"Diana was known for wearing pieces that would wow," explains Elizabeth Holmes, royal fashion commentator and Town & Country contributor

The pointed semi-sweetheart neckline and gathered waist accentuate your natural curves while the floor-length skirt with a sweep train adds a touch of elegance