The Best Holiday Party Dresses for Every Occasion Vogue Zapaka Women Black Velvet Long Holiday Dress Mermaid Corset Off The Shoulder Formal Dress with Slit, Black US12 Decode the dress code: Festive Cocktail!, This is a dressier code, combining the elegance of cocktail attire with elements of holiday festivities. Its typically for evening events or parties Zapakasa Women Sparkly Black Velvet Long Holiday Party Dress with Sequins One Shoulder Mermaid Black Tie Dress with Slit Holiday Dresses That Make a Statement for Every Event