Open Back Prom Dresses, Long Backless Evening Gowns & Low Back Dresses

Open Back Prom Dresses 2027

Marlas Fashions is one of North America's largest designer dress destinations: a 10,000 sq. ft. flagship showroom with over 8,000 dresses in Toronto, Canada, more than 100,000 clients styled, more than 500,000 followers across our social platforms, and an online store that ships to every province in Canada, all 50 US states and worldwide. This page holds 1869 open back prom dresses from Ellie Wilde, Mac Duggal, Sherri Hill, Portia and Scarlett, Faviana and La Femme, priced from $115 to $2,463 CAD with most between $115 and $616. Every dress is an authentic designer style bought directly from the designer, never a replica.

New open back prom dresses for 2027

281 new 2027 open back prom dresses have landed this season from Sherri Hill, Mac Duggal, Ellie Wilde and Ladivine. They sit first in the grid, followed by proven best sellers, so the first pages are always the newest and strongest styles.

Open Back Prom Dresses for every occasion

These open back prom dresses are chosen for prom, grad, formals and winter formals. Customers most often shop them for prom, evening events, formal events, galas and wedding guests. The most-stocked looks are open-back, fitted, high-slit, beaded, V-neck and jersey, and the colours customers ask for most are blue, green, pink, black, hot pink and red. Use the filters to narrow by designer, colour, size, length, neckline, fabric and price, or start from the tiles above.

Shipping worldwide from Toronto

Marlas Fashions ships open back prom dresses worldwide with tracked delivery. In Canada, orders ship free over $250 to Toronto, Vancouver, Montreal, Calgary, Ottawa and Edmonton and every province, priced in Canadian dollars. In the United States, shop in USD with free shipping over $250 to New York, Los Angeles, Chicago, Houston, Miami and Dallas and every state. International customers check out in CAD or USD and receive the same price-match guarantee and easy returns. Need it fast? Our Toronto team confirms stock and ship dates by phone, text or WhatsApp before you order.

Sizes and fit

Most open back prom dresses run from size 00 to 16, with 557 styles in plus sizes up to 24 or 26 and 2 petite styles. Each product page shows that designer's size chart; measure bust, waist and hips and compare, because formal sizing differs from everyday clothing. Our stylists confirm sizing by phone, text or WhatsApp.

Why shop open back prom dresses at Marlas Fashions

• One of North America's largest designer dress destinations: 1869 open back prom dresses online and thousands more in our Toronto flagship.
• Authorized retailer for Ellie Wilde, Mac Duggal, Sherri Hill, Portia and Scarlett, Faviana and La Femme: authentic current-season styles, never replicas.
• Worldwide shipping with tracked delivery, free on orders over $250 across Canada and the USA.
• A price-match guarantee and easy returns, with stylists available by phone, text and WhatsApp.
• More than 100,000 clients styled and more than 500,000 followers across our social platforms.