Discover wedding guest dresses from SIR. With signature silhouettes and luxe fabrics, perfect for occasion wear. Crafted with premium materials including linen, silk, and lace, each piece is designed to offer a transeasonal appeal, ideal for daytime events to evening celebrations. From formal dresses to more relaxed styles, SIR offers the perfect dress for wedding guests seeking elevated, modern designs.

Explore a selection of women's wedding guest dresses, including long sleeve, off-shoulder, halter neck and strapless pieces. Whether it’s a floral piece for a daytime celebration or a silk black wedding guest dress for a formal evening, this collection features options in midi, mini, and maxi lengths. Find your perfect fit in navy blues, browns, and soft pastels, or make a statement with a fitted or flowing dress with exclusive SIR prints. Shop SIR’s wedding guest dresses for every celebration.

Discover other collections, from resort wear to everyday styles, and elevate your event wardrobe with signature designs from SIR.