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Long Formal Party Dresses & Formal Gowns

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5521 Item

Portia and Scarlett PS25988CPortia and Scarlett PS25988C
Portia and Scarlett PS25988C Sale price$1,759 USD
Portia and Scarlett PS26412CPortia and Scarlett PS26412C
Portia and Scarlett PS26412C Sale priceFrom $759
Faviana 11403 Dark Pacific Blue prom dress side view with beaded floral lace appliqués, fitted mermaid silhouette, open keyhole back, sweep train, formal prom gownFaviana 11403 Dark Pacific Blue prom dress back view with lace-bordered open keyhole cutout, beaded lace cascade, sweep train, evening gown
Ellie Wilde EW37047 Black Gold front view prom mermaid gown with floral gold bead and sequin embroidery on mesh deep v-neckline sweep train formal prom gownEllie Wilde EW37047 Black Gold back view prom mermaid gown full open back crisscross spaghetti strap closure gold floral beading on black mesh evening gown
Ellie Wilde EW36003Ellie Wilde EW36003
Ellie Wilde EW36003 Sale price$675 USD
Portia and Scarlett PS26064Portia and Scarlett PS26064
Portia and Scarlett PS26064 Sale price$1,299 USD
Faviana 9608 Purple Amethyst front view prom dress with stretch jersey, beaded embroidery appliqués cascading from bodice to hip, fitted body-con silhouette, formal evening gownFaviana 9608 Purple Amethyst back view prom dress with full open back, spaghetti straps, sweep train, fitted long silhouette, evening gown
Clarisse 62211Clarisse 62211
Clarisse 62211 Sale priceFrom $511
Ellie Wilde EW37072 Emerald Green front view prom ballgown with glitter tulle, beaded floral appliqués, sweetheart corset bodice, high slit, formal prom gownEllie Wilde EW37072 Emerald Green back view prom ballgown with open lace-up corset back, sweep train, glitter tulle skirt, evening gown
Ellie Wilde EW37068 Light Blue Silver prom dress with jersey fabric, floral appliqué embroidery, fitted corset silhouette, front view, formal prom gownEllie Wilde EW37068 Navy Blue Gold prom dress with structured corset bodice, floral embroidery appliqués, high slit, front view, evening gown
Ladivine CD848 - LilacLadivine CD848 Blue
Ladivine CD848 Sale price$399 USD
Atria 6737HAtria 6737H
Atria 6737H Sale price$430 USD
PS25152-Red Pink TurquoisePS25152-Red
Portia and Scarlett PS25152 Sale price$570 USD
Portia and Scarlett PS25189 GoldPortia and Scarlett PS25189 Gold
Portia and Scarlett PS25189 Sale price$341 USD
Atria 7000HAtria 7000H
Atria 7000H Sale price$450 USD
PS25168-PinkPS25168-Blue BK
Portia and Scarlett PS25168 Sale price$658 USD
Ladivine CD799 Smoky Blue off-shoulder glitter tulle A-line gown with corset bodice, prom gownLadivine CD799 Smoky Blue off-shoulder tulle gown with floral applique, back view sweet-16 gown
Ladivine CD799 Sale price$118 USD
Jessica Angel 2626 Hunter GreenJessica Angel 2626 Hunter Green
Jessica Angel 2626 Sale price$390 USD
LaDivine J884 strapless floral beaded corset sheath evening gown — front view of the embellished bodiceLaDivine J884 — angled view of the floral beadwork across the strapless corset bodice
Faviana 9572 SageFaviana 9572 Sage
Faviana 9572 Sale price$498 USD
Ladivine CD757 stretch satin sweetheart crystal beaded corset sheath gown — primary front view prom lookLadivine CD757 crystal beaded satin gown — side angle showcasing the fitted sheath silhouette and train
Faviana E11210 Ink BlueFaviana E11210 Ink Blue
Faviana E11210 Sale price$338 USD
Portia and Scarlett PS25224 EmeraldPortia and Scarlett PS25224 Emerald
Portia and Scarlett PS25224 Sale price$394 USD
Portia and Scarlett PS25261 EmeraldPortia and Scarlett PS25261 Hot Pink
Portia and Scarlett PS25261 Sale price$495 USD
LaDivine J4304 blue lavender v-neck rhinestone corset satin prom gown — front view with high slitLaDivine J4304 lavender — back view of the corset lace-up on the rhinestone satin sheath
Jessica Angel 2556 BurgundyJessica Angel 2556 Burgundy
Jessica Angel 2556 Sale price$490 USD
Portia and Scarlett PS25180Portia and Scarlett PS25180
Portia and Scarlett PS25180 Sale price$702 USD
Ladivine CD752C NavyLadivine CD752C Navy
Ladivine CDS528 sweetheart beaded ruched sheath gown with detachable straps — featured front view prom lookLadivine CDS528 beaded ruched gown — angled view showcasing the sweetheart bodice and fitted silhouette
Ladivine CC2403 SilverLadivine CC2403 Gold
Ladivine CC2403 Sale price$425 USD
La Femme 32802 Royal BlueLa Femme 32802 Royal Blue
La Femme 32802 Sale price$398 USD
La Femme 32671 BlackLa Femme 32671 Light Periwinkle
La Femme 32671 Sale price$470 USD
Clarisse 810755Clarisse 810755
Clarisse 810755 Sale price$422 USD
Ladivine CD798 Black off-shoulder mermaid satin gown with beaded lace corset bodice, prom gownLadivine CD798 Black mermaid satin gown with sweep train, back view evening gown
Ladivine CD798 Sale price$138 USD
Portia and Scarlett PS25205 BlackPortia and Scarlett PS25205 Black
Portia and Scarlett PS25205 Sale price$658 USD
Ladivine CD740Ladivine CD740
Atria 7002HAtria 7002H
Atria 7002H Sale price$440 USD
LaDivine KV1120 purple plunge-neck corset stretch satin evening gown — front view with tie sleevesLaDivine KV1120 red corset stretch satin gown — vivid red front view of the plunging neckline
Ladivine J875 Burgundy Red fitted jersey gown with lace corset bodice, prom gownLadivine J875 Navy strapless jersey gown with high slit, back view pageant gown
Ladivine J875 Sale priceFrom $222
Ladivine CD770 red strapless rhinestone corset sheath with high slit — main front view formal gownLadivine CD770 red rhinestone corset gown — back view of the crisscross lace-up detail and train
Ladivine CD764 beaded prom gown — close-up of the sweetheart neckline and corset detailingLadivine CD764 beaded sweetheart gown — angled view of the fitted corset and sweeping train
Jessica Angel 2555 BubblegumJessica Angel 2555 Bubblegum
Jessica Angel 2555 Sale price$450 USD
Ladivine CH395 plunging V-neck jersey sheath gown with cutout back — main front view wedding guest lookLadivine CH395 plunging jersey gown — angled view showcasing the deep V-neckline and high slit
Ladivine CDS538 strapless crystal embellished satin sheath gown with slit — main front view prom lookLadivine CDS538 crystal embellished satin gown — angled view showcasing the sweetheart neckline and slit
Clarisse 811166 Dark EmeraldClarisse 811166 Dark Emerald
Clarisse 811166 Sale priceFrom $422
Faviana E11236 RoyalFaviana E11236 Royal
Faviana E11236 Sale price$358 USD
LaDivine CR879 silver nude v-neck beaded mermaid evening gown — angled view of the shoulder drape fringeLaDivine CR879 silver nude — back view of the beaded mermaid silhouette and train
Portia and Scarlett PS25169 CobaltPortia and Scarlett PS25169
Portia and Scarlett PS25169 Sale price$768 USD

2026 Long Formal Party Dresses & Formal Prom Gowns
Check out our 2026 formal evening dress collection for your next prom, military ball, black tie wedding, or any other special occasion. Formal dresses are generally long and have elegant detailing such as sequin beading, embroidery, or flowy metallic. For an elegant and chic look, try a simple long, off shoulder dress with a flowy chiffon skirt. If you are looking for something sleek and sexy, try a fitted evening dress with a high slit and open back or a mermaid skirt with a plunging v neckline. If you need a sensational gown or a winter formal dress for your special occasion then browse through our collection and find your favorite dress from one of our designers like La Femme, Mac Duggal, JOVANI, Mayqueen, LaDivine and so many more! We also carry long sleeve elegant formal dresses for your next black tie event, gala, or social event. From a-line evening gowns, fit n flare, long sleeve and strapless ones, to mermaid and formal long dresses, and the classic black evening gowns, its all at MarlasFashions.com. Captivate the room in a stunning formal dress with a sweetheart neckline or off shoulder neckline in a chiffon or sexy bodycon, embroidered with sequins and jewels.

Tips on How to Find the Perfect Long Formal Dress
Here are a some tips on how to select a beautiful long formal for your next event.

Consider the Season & Venue - In the spring (outdoor settings and during daytime events): long party dresses in pastels and other bright hues look best. For evening events, celebrations in the winter, and parties at formal venues, bold colors or rich jewel tones are go-to shades for long formal dresses.

Get Inspired – Start getting ideas from Instagram and Pinterest or even check out what your favorite celebrities are wearing to their formal events this season. See flattering styles that match your personality? Then shop for formal evening dresses in similar designs to find the right one for you

Decide on Fabric and Color - Choose a formal dress in your favorite color or fabric or consider your skin tone. Then you can shop for formal evening gowns in your chosen shade or look for styles in your favorite textures. Go for a chiffon material if you like movement and a romantic look. Perhaps you like the way a long formal dress in jersey fabric hugs your curves. If you like a sparkly dress, go for a sequin dress.

Can Never go Wrong with a Black Formal Dress
Keep it Classic - When in doubt, a classic black formal dress is always in style.

Follow these tips and feel confident in your formal dress!