Sheath Column Wedding Guest Dresses Minimalist Dress Party Wear Knee Long Sleeves Square Neckline Sheath Column Elastic Satin Cocktail Glamorous Column Sheath Wedding Dress with Plunging Neckline Sheath Column Square Neckline Sleeveless Floor Length Stretch Satin Floral Lace Wedding Dresses True Society Bridal Shops. This wedding guest dress features a classic square neckline and a sleek sheath silhouette that gently skims the body for a refined look. The column style design offers a modern, elongated appearance, perfect for formal occasions. Crafted to provide both elegance and comfort, this dress is an excellent choice for those seeking understated sophistication in a soft, refreshing hue.