Minimalist Reception Square Neckline Satin Sheath Wedding Dresses With Sleeveless Square Neckline Sheath Wedding Dress With Beading Throughout Square Neckline Sheath Party Dress with Half Sleeves E86104 GemGrace.com Sheath Column Wedding Guest Dresses Elegant Dress Party Wear Wedding 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.