Black Wedding Guest Dresses Shop on Pinterest Jewel Long Sleeves Open Back Black Wedding Guest Dress How to style a black dress for a wedding 60 photos Astyledwedding.com Black Wedding Guest Dresses Shop on Pinterest 34 Best Long Sleeve Wedding Guest Dresses of 2021. This sophisticated black wedding guest dress features long sleeves and an open back design, blending timeless elegance with a contemporary edge. The tailored fit enhances your silhouette while the open back adds a striking detail, perfect for making a memorable impression at any formal event. Crafted for comfort and style, this dress is an excellent choice for refined occasions.