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

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2849 Item

Clarisse 811229 Lime Green prom dress front view with tulle skirt, 3D floral appliqué at sweetheart neckline, ruched waistband, and a-line silhouette, formal prom gownClarisse 811229 Lime Green prom dress back view with tulle skirt, fully open back and spaghetti straps, a-line sweep train, evening gown
Clarisse 811250 Lilac front view fitted sequin prom gown with illusion floral bodice, beading, deep V-neckline, and high front slit, formal prom gownClarisse 811250 Rose Gold back view fitted sequin prom gown showing fully open back with crossing straps converging at low back point, evening gown
Faviana 11249 BlackFaviana 11249 Black
Faviana 11249 Sale price$556 CAD
Faviana 9562 Royal Blue front view fitted v-neck beaded satin gown with crisscross back high slit formal prom gownFaviana 9562 Royal Blue back view fitted beaded satin prom gown with open crisscross lace-up back straps evening gown
Faviana 9582 RaspberryFaviana 9582 Raspberry
Faviana 9582 Sale price$667 CAD
Faviana 11242 royal blue prom dress front view with sequin mesh fabric, ruched fitted bodice, v-neckline, and high front slit, formal prom gownFaviana 11242 royal blue prom gown back view with dramatically open crisscross-strap back, fitted silhouette, and sequin stripe detail, evening gown
Clarisse 811256 Black prom dress with mosaic sequin over jersey, crystal hip embellishment, one-shoulder fitted silhouette, front-facing high slit, formal prom gownClarisse 811256 Black prom gown back view with open back, sweep train, one-shoulder strap, fully beaded sequin surface, evening gown
Clarisse 811179 light blue prom dress with all-over beaded geometric mesh, fitted sweetheart silhouette, front high slit, front view, formal prom gownClarisse 811179 light blue prom dress with beaded mesh open back, fitted contour silhouette, spaghetti straps, back view, evening gown
Faviana 11229 Light BlueFaviana 11229 Light Blue
Faviana 11229 Sale price$723 CAD
Faviana 9578 NavyFaviana 9578 Navy
Faviana 9578 Sale price$667 CAD
Clarisse 811190 Black prom dress front view with floral sequin lace over tulle, illusion corset bodice with visible boning, sweetheart neckline, formal prom gownClarisse 811190 Black prom dress back view showing fully open back from shoulder to below waist, a-line sequin tulle skirt with train, evening gown
Portia and Scarlett PS25204 Emerald prom gown front view in stretch metallic jersey with strapless sweetheart neckline rhinestone trim fitted silhouette and high slit formal prom gownPortia and Scarlett PS25204 Emerald prom gown back view showing fully open back bare to below the waistline with train and shoulder beading detail red carpet styling
Portia and Scarlett PS25204 Sale price$857 CAD
Clarisse 811176 Winter Blue prom dress front view with tulle skirt, beaded floral appliqué bodice, illusion V-neckline, a-line silhouette, formal prom gownClarisse 811176 Winter Blue prom dress back view with open crisscross spaghetti strap back, sweep train, beaded bodice, a-line tulle gown, evening gown
Ladivine CD796 Dark Sage halter-neck satin mermaid gown with high slit, prom gownLadivine CD796 Dark Sage halter satin gown with ruched bodice, back view wedding guest gown
Ladivine CD796 Sale price$190 CAD
Atria 6830HAtria 6830H
Atria 6830H Sale price$656 CAD
Faviana 11264 Black prom dress front view with beaded floral appliqués, scoop neckline, fitted stretch jersey, crisscross open back, cocktail party dressFaviana 11264 Black prom dress back view with multi-strand crisscross lace-up open back, beaded floral appliqués, fitted silhouette, formal prom gown
Faviana 11218 Lilac Purple prom dress front view with sequin beaded mesh fabric, v-neckline, fitted silhouette, high slit, formal prom gownFaviana 11218 Lilac Purple prom dress back view with fully open back, crisscross lace-up straps, sequin beaded mesh, evening gown
Ladivine CD796C Royal Blue halter-neck satin mermaid gown with high slit, prom gownLadivine CD796C Royal Blue halter satin gown with ruched bodice and open back, wedding guest gown
Ladivine CD796C Sale price$197 CAD
Faviana 11243 LipstickFaviana 11243 Lipstick
Faviana 11243 Sale price$695 CAD
Faviana E11224 Dark Hunter Green prom dress front view with stretch satin, spaghetti straps, scoop neck, high slit, fitted silhouette, formal prom gownFaviana E11224 Dark Hunter Green prom dress back view with sheer mesh illusion corset back, visible boning, sweep train, evening gown
Ladivine CM372 royal blue spaghetti strap sweetheart lace taffeta sheath gown — front view prom lookLadivine CM372 royal blue lace taffeta gown — back view of the crisscross open back and corset detail
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$650 CAD
Faviana 11207 LipstickFaviana 11207 Red
Faviana 11207 Sale price$639 CAD
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$705 CAD
Faviana 11203 Lilac Purple prom dress front view with all-over sequin glitter mesh, deep surplice v-neck, open back, floor-length a-line silhouette, formal prom gownFaviana 11203 Lilac Purple prom dress back view confirming fully open back with thin spaghetti straps, all-over sequin glitter mesh a-line gown, evening gown
Clarisse 811119 Vamp Red prom dress front view with satin skirt, sweetheart corset bodice, high front slit, open back, and slight train, cocktail party dressClarisse 811119 Vamp Red prom dress back view showing fully open back, corset lacing, and satin train, formal prom gown
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$870 CAD
Ladivine CC8879 Light blueLadivine CC8879 Light blue
Ladivine CC8879 Crystal Embellished Stretch Satin Mermaid Gown Sale price$213 CAD Regular price$435 CAD
Ladivine 9317 Black beaded mermaid gown with V-neckline, prom gownLadivine 9317 Black beaded V-neck gown with open back, back view pageant gown
Ladivine 9317 Sale price$269 CAD Regular price$484.20 CAD
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$909 CAD
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$1,000 CAD
Jessica Angel 2564 BeigeJessica Angel 2564 Beige
Jessica Angel 2564 Sale price$709 CAD
Jessica Angel 2630 OrchidJessica Angel 2630 Orchid
Jessica Angel 2630 Sale price$615 CAD
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 811290 Royal Blue prom dress with hot-stone embellishment, deep v-neck spaghetti straps, fitted silhouette, front view, formal prom gownClarisse 811290 Royal Blue prom dress with crisscross lace-up open back, full back exposure, hot-stone fitted gown, back view, evening gown
Clarisse 811152 Lilac Multicolor front view prom dress in floral-appliqué lace bodice and tulle a-line ballgown skirt with train, formal prom gownClarisse 811152 Lilac Multicolor back view prom dress showing full open back with lace-up corset closure, floral tulle ballgown, evening gown
Faviana 11259 Jade Green prom dress front view with lace corset bodice, floral embroidery appliqués, sweetheart neckline, and full satin ballgown skirt formal prom gownFaviana 11259 Jade Green prom dress back view showing open lace-up corset back closure with spaghetti straps and full A-line satin skirt evening gown
Faviana 11254 Dark EmeraldFaviana 11254 Dark Emerald
Faviana 11254 Sale price$639 CAD
Faviana 11250 Light Pink Multi front view strapless sweetheart mermaid prom gown with 3D floral appliqués over tulle and boned corset bodice formal prom gownFaviana 11250 Light Pink Multi back view open crisscross lace-up back on strapless floral appliqué mermaid prom gown with slight train evening gown
Faviana 11226 Royal prom dress with stretch jersey, boned v-neck bodice, floor-length mermaid silhouette, front view, formal prom gownFaviana 11226 Royal prom dress with jersey, crisscross lace-up open back, mermaid silhouette with sweep train, back view, evening gown
Faviana 11200 Dark Hunter Green prom dress with sequin-beaded bodice, lace-up open back, fitted silhouette, formal prom gownFaviana 11200 Dark Hunter Green prom dress back view showing lace-up crisscross closure, open-back exposure, fitted silhouette, evening gown
La Femme 30413 Light PeriwinkleLa Femme 30413 Nude
La Femme 30413 Sale price$472 CAD
La Femme - 30615 High Slit Scoop Sequined Long Dress In PinkLa Femme - 30615 High Slit Scoop Sequined Long Dress In Pink
La Femme 30615 Sale price$360 CAD
La Femme 30677 In PinkLa Femme 30677 In Pink
La Femme 30677 Sale price$388 CAD
La Femme 29681 RedLa Femme 29681 Red
La Femme 29681 Sale price$416 CAD
Atria - 6409H Crisscross Open Back Shiny Evening Gown In GoldAtria - 6409H Crisscross Open Back Shiny Evening Gown In Gold
Atria 6409H Sale price$587 CAD
La Femme 30496 Dark BerryLa Femme 30496 Dark Berry
La Femme 30496 Sale price$416 CAD
La Femme 28628 Deep RedLa Femme 28628 Deep Red
La Femme 28628 Sale price$416 CAD

Open Back Prom Dresses 2025 and Long Backless Evening Gowns

Open back dresses are one of the most popular styles on the red carpet. Wearing a sleek and sexy open back or backless dress creates a show stopping statement at any occasion such as prom, black tie event, gala, formal wedding guest dress, or even an engagement. MarlasFashions in Canada carries a wide selection of open back evening gowns in a variety of different styles and is sized from 4 – 22 (petites to plus sizes).

Our open back prom dress collection consists of long formal evening gowns, short prom dresses, high neck backless dresses, strapless open back floor length dresses, and halter top formal prom dress. Or why not try a La Femme, Tarik Ediz, or Macduggal open back designer evening party dress.  We have a variety of colors of sexy open back prom dresses or formal gowns in deep low backs  to choose from like black, red, blush pink, aqua blue, royal blue, navy, or even white.

If you want something different, you can always go for a two piece prom dress with the top having an open back and a fitted skirt. And we definitely cannot forget about our plus size girls! We have a large collection of plus size open back or backless prom dresses. This open back collection is perfect for any special occasion, formal event, graduation, or even senior prom. There are so many styles to choose from even if you are on a budget. MarlasFashions backless prom dresses are affordable without breaking the bank.