34 Best Long Sleeve Wedding Guest Dresses of 2021 Black Lace Gown with Open Back and Long Sleeves Wedding dress long Black Sweetheart Long Sleeves Lace Backless Wedding Dresses Black Sweetheart Long Sleeves Lace Backless Wedding Dresses Black Sweetheart Long Sleeves Lace Backless Wedding Dresses Black Wedding Dresses With Sleeves. 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.