DRESS COSMO is a US-based online boutique for prom, evening, bridesmaid and wedding-guest dresses.

Big nights deserve a dress you feel wonderful in. Whether you're getting ready for prom, standing beside a friend on her wedding day or heading to a formal celebration, we're here to help you find a style that feels like you.

What we offer

• Prom dresses for your big night
• Evening dresses and gowns for formal events
• Bridesmaid and wedding-guest styles in a range of colors

Shopping with us

We're an online-only shop, so there's no physical store or showroom. Each product page lists the sizes and colors available for that style, and our size chart helps you choose your fit from home.

Orders are processed in 1–2 business days, and delivery within the US takes 2–4 business days after dispatch. We also ship internationally via DHL. International shipping is quoted case by case, so please email us before you order. For any event, we recommend ordering at least 10 days ahead.

Get in touch

Questions about sizing, an order or a return? Email us at sales@dresscosmo.com and we'll reply as soon as we can. You'll also find quick answers in our FAQ.