long black formal dress with sleeves Elegant Round Neck Evening Dress, Mermaid Prom Party long Sleeve Evening Dress cg18438 Size medium measures 60.5 Gorgeous Off-the-shoulder A-line Maternity sizechart-sleeveless-midi-bust SIZE - True to U.S. Size (Regular Width):6.5

long black formal dress with sleeves Elegant Round Neck Evening Dress, Mermaid Prom Party long Sleeve Evening Dress cg18438 Size medium measures 60.5 Gorgeous Off-the-shoulder A-line Maternity sizechart-sleeveless-midi-bust SIZE - True to U.S. Size (Regular Width):6.5

Gorgeous Off-the-shoulder A-line Maternity Photoshoot Dress, Royal Blue / M

If you need the stricter version of this dress code, our guide to black tie attire for women covers it in full

sizechart-sleeveless-midi-bust

SIZE - True to U.S. Size (Regular Width):6.5

Why it works: Olive green introduces a subtle pop of colour without clashing, perfect for casual and fashion-forward settings

Size medium measures 60.5 from shoulder to hem