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Open Back Evening Dresses

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1890 Item

Clarisse 811254 silver prom dress front view, fully sequined mermaid gown with sweetheart neckline, beaded crisscross straps, keyhole cutout, formal prom gownClarisse 811254 silver prom dress back view, completely open back with beaded straps and floor-sweeping train, sequin mermaid silhouette, evening gown
Clarisse 811262 Light Pink prom dress front view in stretch jersey with 3D floral straps, deep V-neckline, mermaid silhouette, formal prom gownClarisse 811262 Light Pink prom dress back view showing full open back, sweep train, floral strap rosettes, mermaid silhouette, evening gown styling
Clarisse 811286 Black prom dress with all-over hot-stone starburst scatter pattern, sweetheart neckline, high front slit, fitted silhouette, front view, formal prom gownClarisse 811286 Black prom dress showing full open back and sweep train, dense hot-stone coverage continuing across entire back, fitted through hips, back view, pageant evening gown
Clarisse 811293 Pale Lilac prom dress front view with pearl beading and sequin, fitted sweetheart gown, front high slit, formal prom gownClarisse 811293 Pale Mint Green prom dress back view showing crisscross open back with full-length pearl beading and sequin, evening gown
Clarisse 811296 Fuchsia prom formal gown front view with glitter jersey, beaded V-neck bodice, fitted silhouette with front high slit, formal prom gownClarisse 811296 Royal Blue prom formal gown back view showing whole open crisscross lace-up back with glitter jersey fitted silhouette, evening gown
Clarisse 811311 Antique Gold prom dress front detail view with beaded mesh illusion corset bodice, sweetheart neckline, visible boning channels, fitted stretch jersey, formal prom gownClarisse 811311 Antique Gold prom dress back view with fully open back, crisscross beaded lace-up straps, sweeping train, evening gown
Clarisse 811338 Black prom dress with sequin fabric, sweetheart off-shoulder neckline, fitted mermaid silhouette, front view, formal prom gownClarisse 811338 Black prom dress with fully sequined open back, detachable off-shoulder puff sleeves removed, back view, evening gown red carpet styling
Portia and Scarlett PS25153 Emerald front view strapless sweetheart beaded bow corset fitted prom gown with high slit and sweep train, formal prom gownPortia and Scarlett PS25153 Hot Pink back side view strapless corset fitted prom gown with fully open back and sweep train, evening gown styling
Portia and Scarlett PS25153 Sale price$ 8,840
Portia and Scarlett PS25154 light blue prom gown front view with fully sequined paillette fabric, sweetheart corset bodice, mermaid trumpet silhouette, formal prom gownPortia and Scarlett PS25154 light blue prom gown back view with open back, spaghetti straps, fully sequined mermaid skirt with train, evening gown
Portia and Scarlett PS25154 Sale price$ 13,600
Portia and Scarlett PS25159 Blue prom dress front view with jersey and illusion corset bodice, floral lace appliqués, crystal beading, fitted silhouette, formal evening gownPortia and Scarlett PS25159 Blue prom dress back view showing fully open back, spaghetti cross straps, fitted jersey silhouette, sweep train, evening gown styling
Portia and Scarlett PS25159 Sale price$ 9,588
Portia and Scarlett PS25162 royal blue prom dress front view with hot-stone beading, deep plunging halter v-neckline, fitted silhouette, formal prom gownPortia and Scarlett PS25162 fuchsia prom dress back side view with fully open back, hot-stone beading, high slit, evening gown
Portia and Scarlett PS25162 Sale price$ 11,832
Portia and Scarlett PS25172 Blue AB prom gown front view strapless sweetheart beaded lace mermaid silhouette formal prom gownPortia and Scarlett PS25172 Pink AB prom gown back view open back beaded lace mermaid with train evening gown
Portia and Scarlett PS25172 Sale price$ 12,362
Portia and Scarlett PS25190 Pink and Ivory front editorial view fully beaded strapless sweetheart corset mermaid gown with sweep train formal prom gownPortia and Scarlett PS25190 Gold back view fully sequined open-back strapless mermaid prom gown with boned corset bodice and sweep train evening gown
Portia and Scarlett PS25190 Sale price$ 12,362
Portia and Scarlett PS25193 Lilac prom gown front view with dense sequin and bead embellishment sweetheart strapless corset bodice high slit and floor-length train formal prom gownPortia and Scarlett PS25193 Lilac prom gown back view showing fully open bare back sequin beaded fitted silhouette with train pageant gown evening embellished
Portia and Scarlett PS25193 Sale price$ 14,130
Portia and Scarlett PS25199 Seagreen prom dress with sequin tulle, 3D floral beaded appliqués, boned sweetheart corset bodice, mermaid silhouette, front view, formal prom gownPortia and Scarlett PS25199 Seagreen prom dress open crisscross lace-up back, sequin tulle and beaded floral detail, mermaid sweep train, back view, evening gown
Portia and Scarlett PS25199 Sale price$ 11,478
Portia and Scarlett PS25205 Black prom dress with stretch jersey fabric, crystal butterfly cut-out appliqués, sweetheart neckline, high slit, fitted silhouette, front view formal prom gownPortia and Scarlett PS25205 Black prom dress with fully open back, rhinestone spaghetti straps, floor-length train, fitted sleek silhouette, back view evening gown
Portia and Scarlett PS25205 Sale price$ 11,655
Portia and Scarlett PS25206 Blue prom halter mermaid gown with beaded floral embellishment, open back, and sweeping train, front view, formal prom gownPortia and Scarlett PS25206 Blue prom fully open back halter mermaid dress with beaded waist trim and sweeping train, back view, evening gown styling
Portia and Scarlett PS25206 Sale price$ 8,840
Portia and Scarlett PS25208Portia and Scarlett PS25208 Silver back view prom gown with open lace-up crisscross back, fully beaded mesh fitted silhouette, evening gown
Portia and Scarlett PS25208 Sale price$ 12,185
Portia and Scarlett PS25217 Pink prom dress with metallic jersey, tiered ruffle train, high slit, fitted silhouette, side editorial view, formal prom gownPortia and Scarlett PS25217 Gold prom dress with metallic jersey, open back, tiered ruffle cascade, fitted sleek silhouette, back editorial view, evening gown
Portia and Scarlett PS25217 Sale price$ 8,840
Portia and Scarlett PS25230 Fuchsia prom dress front view with glitter stretch jersey, diagonal ruching and waist knot, fitted strapless sweetheart gown, cocktail party dressPortia and Scarlett PS25230 Fuchsia prom dress back view with glitter stretch jersey, fully open back and sweep train, fitted sleeveless silhouette, formal prom gown
Portia and Scarlett PS25230 Sale price$ 6,175
Portia and Scarlett PS25231 Lilac prom dress front view with glitter jersey, 3D floral rosette, deep V-neckline, fitted silhouette, formal prom gownPortia and Scarlett PS25231 Lilac prom dress back view with glitter jersey, crisscross straps, open back, sweep train, evening gown
Portia and Scarlett PS25231 Sale price$ 6,175
Portia and Scarlett PS25250 blue strapless prom gown with lace bodice, tiered organza ruffle skirt, high slit, boned corset, and open back, formal prom gownPortia and Scarlett PS25250 back view in white ivory blue black pink strapless prom gown with fully open back, lace corset bodice, organza ruffles, and sweep train, evening gown
Portia and Scarlett PS25250 Sale price$ 14,130
Portia and Scarlett PS25267 light-blue fully beaded V-neck fitted long prom dress with rhinestone starburst mesh, editorial styling, formal prom gownPortia and Scarlett PS25267 cobalt back view fully beaded open V-back long prom dress with rhinestone mesh and deep plunging back, evening gown
Portia and Scarlett PS25267 Sale price$ 11,832
Portia and Scarlett PS25269 lilac purple and pink front editorial prom dress with sequin tulle, 3D floral appliqués, strapless sweetheart corset bodice, formal prom gownPortia and Scarlett PS25269 blue back view prom dress with open back boned corset, sequin tulle tiered skirt, fitted silhouette, evening gown
Portia and Scarlett PS25269 Sale price$ 12,362
Portia and Scarlett PS25301 Blue and Blush Pink front editorial view fully beaded glitter halter mermaid gown with court train, formal prom gownPortia and Scarlett PS25301 Blush Pink back view fully beaded glitter open-back halter mermaid prom gown with boning and court train, evening gown
Portia and Scarlett PS25301 Sale price$ 11,832
Portia and Scarlett PS25320 emerald and fuchsia prom strapless sweetheart metallic jersey fitted gown with beaded bodice and ruching front view formal prom gownPortia and Scarlett PS25320 emerald and fuchsia prom strapless open back metallic jersey fitted gown with ruching and sweep train back view evening gown
Portia and Scarlett PS25320 Sale price$ 8,840
Portia and Scarlett PS25323 purple prom dress front view with sequin fabric, cut-out waist panels, strapless sweetheart neckline, fitted silhouette, formal prom gownPortia and Scarlett PS25323 purple prom dress back view showing full open back, train, 3D floral shoulder detail, sequin surface, evening gown
Portia and Scarlett PS25323 Sale price$ 11,832
Portia and Scarlett PS25329 champagne beige prom dress front view with hot-stone embellishment, sweetheart neckline, crystal cut-outs, fitted silhouette, formal prom gownPortia and Scarlett PS25329 champagne beige prom dress back view with fully open back, thin crossing straps, hot-stone coverage, sweep train, evening gown
Portia and Scarlett PS25329 Sale price$ 12,362
Portia and Scarlett PS25331 Silver prom dress front view fully beaded strapless sweetheart fitted gown with boning open back and sweep train formal prom gownPortia and Scarlett PS25331 Black prom dress back view strapless beaded fitted gown with lace-up open back corset closure and full back exposure evening gown
Portia and Scarlett PS25331 Sale price$ 11,832
Portia and Scarlett PS25349 Cobalt front view prom gown in stretch satin with sweetheart neckline, crossing straps, mermaid silhouette, and floor-sweeping train, formal prom gown
Portia and Scarlett PS25349 Sale price$ 7,942
Portia and Scarlett PS25639E Black front view prom dress in velvet and embroidered lace, boned corset sweetheart bodice, mermaid trumpet silhouette, formal prom gownPortia and Scarlett PS25639E Black back view prom dress with open back, velvet skirt, lace embroidered panels, sweep train, evening gown for pageant and gala
Mac Duggal 93831 black-silver strapless fully beaded fitted column gown front view for prom with dense sequin rhinestone embellishment formal evening gownMac Duggal 93831 black-silver open back strapless beaded column gown back view for prom with rhinestone sequin beading sleek fitted silhouette red carpet styling
Faviana 11420 Sky Blue prom gown front view in lightweight chiffon with sweetheart neckline, spaghetti straps, boning, and tiered ruffle hem A-line silhouette formal prom gownFaviana 11420 Sky Blue A-line chiffon gown second front view showing sweetheart bodice with boning and spaghetti straps for evening gown styling styled for prom
Faviana 11440 Cloud Blue back view mermaid scoop-neck gown with beaded floral appliqués & trainFaviana 11440 Ink Blue front view mermaid scoop-neck gown with beaded floral appliqués & train
Faviana 9608 Amethyst Purple front view plus size fitted v-neck beaded gown with high slit with sweep trainFaviana 9608 Amethyst Purple back view plus size fitted v-neck beaded gown with high slit with sweep train
Andrea and Leo A1429Andrea and Leo A1429
Andrea and Leo A1429 Sale price$ 4,488 Regular price$ 7,874
Clarisse 62124 Rose Gold prom dress with beaded mesh, sweetheart corset bodice and boning, fitted sheath silhouette with sweep train, front view, formal prom gownClarisse 62124 Rose Gold prom dress with beaded mesh, open crisscross back exposed to below the waistline, fitted sheath with sweep train, back view, evening gown pageant styling
Clarisse 62144 Pale Orchid Purple prom dress front view with beaded sequin tulle mermaid silhouette strapless sweetheart neckline jeweled floral appliqués and sweep train formal prom gownClarisse 62144 Pale Orchid Purple prom dress back view with full open back lace-up corset closure beaded sequin coverage mermaid silhouette and sweep train evening gown
Clarisse 62158Clarisse 62158
Clarisse 62158 Sale price$ 9,017
Clarisse 62159Clarisse 62159
Clarisse 62164 Baby Pink prom dress front view with beaded floral appliqués, fitted sweetheart corset silhouette, high slit, formal prom gownClarisse 62164 Baby Pink prom dress back view with lace-up corset back, open back, fitted sheath train, evening gown
Clarisse 62172 Lilac Multicolor front view deep v-neck boned corset prom gown with 3D floral appliqués glitter lace A-line skirt formal prom gownClarisse 62172 Lilac Multicolor back view open crisscross lace-up strap prom gown with iridescent glitter tulle skirt and beaded bodice pageant gown
Clarisse 62186 Glitter Blue front view fully beaded sweetheart illusion corset fitted prom gown with glitter mesh, high front slit, spaghetti straps, formal prom gownClarisse 62186 Glitter Blue back view open back spaghetti strap fitted prom gown with beaded mesh corset, sweep train, pageant gown
Clarisse 62206 Powder Blue prom dress front view with satin skirt, illusion corset bodice, floral lace appliqués, sweetheart neckline, and front high slit, formal prom gownClarisse 62206 Powder Blue prom dress back view with open illusion back, floral lace appliqués, boning, and embellished straps, evening gown pageant styling
Clarisse 62208Clarisse 62208
Clarisse 62208 Sale price$ 10,934
Clarisse 62238Clarisse 62238
Clarisse 62238 Sale price$ 8,609
Clarisse 62280 Black prom dress front view with stretch jersey fabric, illusion lace floral corset bodice and high front slit, formal prom gownClarisse 62280 Black prom dress back view with open back from shoulders to waist, sweep train, and beaded lace appliqués, evening gown
Clarisse 62335 White Royal Blue floral print prom dress with satin base, beaded corset bodice, deep v-neck, high front slit, front view, formal prom gownClarisse 62335 White Royal Blue floral print prom dress with lace-up open back, corset boning, sweeping train, back view, evening gown

Open back evening dresses 2027 at Marlas Fashions, one of North America's largest designer dress destinations. 1650+ open back evening dresses from Mac Duggal, Sherri Hill, Ellie Wilde, La Femme, Faviana and Portia and Scarlett, with new 2027 arrivals and best sellers first. Chosen for galas, black-tie events and formal evenings. Shipped worldwide from Toronto, free over $250 across Canada and the USA, with a price-match guarantee and easy returns.

Open Back Evening Dresses 2027 – Designer Open Back Evening Dresses for Canada, the USA & Worldwide

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 1682 open back evening dresses from Mac Duggal, Sherri Hill, Ellie Wilde, La Femme, Faviana and Portia and Scarlett, priced from $115 to $2,261 CAD with most between $115 and $612. Every dress is an authentic designer style bought directly from the designer, never a replica.

New open back evening dresses for 2027

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

Trending for November: black tie dresses, evening gowns, gala dresses and black evening gowns

Search demand is rising for black tie dresses, evening gowns, gala dresses, black evening gowns, red evening gowns and gold evening gowns. The tiles above follow that demand and are refreshed as the season moves, so the edit you see is the one people are asking for now.

Open Back Evening Dresses for every occasion

These open back evening dresses are chosen for galas, black-tie events and formal evenings. Customers most often shop them for evening events, prom, formal events, galas and wedding guests. The most-stocked looks are open-back, fitted, high-slit, V-neck, beaded 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 evening 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 evening dresses run from size 00 to 16, with 573 styles in plus sizes up to 24 or 26 and 1 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 evening dresses at Marlas Fashions

  • One of North America's largest designer dress destinations: 1682 open back evening dresses online and thousands more in our Toronto flagship.
  • Authorized retailer for Mac Duggal, Sherri Hill, Ellie Wilde, La Femme, Faviana and Portia and Scarlett: 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.

Frequently Asked Questions