black tie dresses black Velvi - Eclipse Gown - - V-neck Sequin Dress creating a mesmerizing silhouette that exudes timeless charm Long Sleeve Black Tie Dresses

Sleeves: The puff sleeve trend was without a doubt one of the biggest moments in '90s fashion, but then again, so was no sleeves at all (we can thank Carrie Bradshaw for fostering the resurgence of tube tops)

Sleeves: Flutter Sleeve

[1] Stambolian compared Diana's choice of black to the black swan Odile in Tchaikovsky's ballet Swan Lake , saying that Diana "chose not to play the scene like Odette, innocent in white

Flat front

Black Sheer Lace Plunging V Neck Sexy Prom Dress $292.5 USD (free shipping) Gorgeous floral black sheer lace floor-length body-hugging mermaid long sexy prom evening formal dress features a plunging V neckline, long sleeve, and a short train

When it comes to colours, for the most elegant and tonal approach, stick to a neutral colour palette, but if you want to make a statement, opt for any pop of colour that works well with navy, including red, pink or lime