off shoulder dresses with sleeves KissProm Sheath Off-The-Shoulder Long Satin/Sequined Prom Dresses, Black / 00 Agnes Orinda Women's Plus Smoky Blue Color_Black / Gold Pay With:$95.00 (Silkroll Fee: $1.90)

off shoulder dresses with sleeves KissProm Sheath Off-The-Shoulder Long Satin/Sequined Prom Dresses, Black / 00 Agnes Orinda Women's Plus Smoky Blue Color_Black / Gold Pay With:$95.00 (Silkroll Fee: $1.90)

Agnes Orinda Women's Plus Size Formal Dress V Neck Chiffon Overlay Wedding Guest Cocktail Party Mesh Dresses 1X Black

Complete the look with strappy heeled sandals or pointed-toe courts in a neutral or tonal shade to elongate the leg and maintain the refined aesthetic

Color_Black / Gold

Pay With:$95.00 (Silkroll Fee: $1.90)

Certainly a long dress is appropriate, but the key to black-tie style is formality: As long as the dress feels sophisticated, the hemline—ranging from just above the knee to tea-length (which hits at midcalf)—is up to you

Smoky Blue