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Long Formal Party Dresses & Formal Gowns

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4004 Item

Mac Duggal 9911854 Petite Dress Rose - CL
Primavera 4548Primavera 4548
Primavera 4548 Sale price$ 10,855
Ladivine KV1142C black strapless sweetheart beaded satin corset gown with crisscross back and high slit — plus-size model in a head-on front view of the fitted prom formalLadivine KV1142C black — rear-facing view of the crisscross back straps and beaded satin train on the plus-size sweetheart corset gown
Mac Duggal 9956402 Petite Dress Sage - CL
Jessica Angel 2390 RoyalJessica Angel 2390 Royal
Jessica Angel 2390 Sale price$ 9,699
Ladivine Bridal CD410W off-white strapless sweetheart chiffon A-line wedding gown with high slit — full front viewBack view of Ladivine CD410W off-white chiffon A-line gown — crisscross back and flowing train from behind
La Femme 32675 Light PeriwinkleLa Femme 32675 Light Periwinkle
La Femme 32675 Sale price$ 8,732
Primavera 4538Primavera 4538
Primavera 4538 Sale price$ 11,257
La Femme - 27989 V Neck Trumpet Dress In PinkLa Femme - 27989 V Neck Trumpet Dress In Blue
La Femme 27989 Sale price$ 8,242 Regular price$ 10,792
La Femme - 29171 Sequined Crisscross Open Back Dress In BlueLa Femme - 29171 Sequined Crisscross Open Back Dress In Red
La Femme 29171 Sale price$ 1,634
Mac Duggal 9949454 Petite Dress Emerald - ABMac Duggal 9949454 Petite Dress Emerald - BK
May Queen RQ8215May Queen RQ8215
May Queen RQ8215 Sale price$ 4,536
LaDivine T730 light yellow one shoulder chiffon bridesmaid gown — full front view of the long sleeveless formal dressBack view of LaDivine T730 light yellow chiffon one shoulder gown — draped back and single strap detail from behind
Elizabeth K GL3683Elizabeth K GL3683
Elizabeth K GL3683 Sale price$ 6,948
Terani Couture 261P6160Terani Couture 261P6160
Terani Couture 261P6160 Sale price$ 8,214
May Queen MQ2136 SageMay Queen MQ2136 Sage
May Queen MQ2136 Sale price$ 3,832
Primavera 4556Primavera 4556
Primavera 4556 Sale price$ 9,083
May Queen MQ2175May Queen MQ2175
May Queen MQ2175 Sale price$ 3,016
Mac Duggal 2322 French Blue front view long a-line formal gown with jersey fabric, beaded pearl flutter sleeves, high scoop neckline, formal evening gownMac Duggal 2322 French Blue back view long a-line formal gown with jersey fabric, high covered back concealed zipper, mother of the bride styling
Clarisse 811101 BlackClarisse 811101 Black
Clarisse 811101 Sale price$ 9,548
Jessica Angel 2394 HunterJessica Angel 2394 Hunter
Jessica Angel 2394 Sale price$ 10,101
Terani Couture 252E5103Terani Couture 252E5103
Terani Couture 252E5103 Sale price$ 11,294
May Queen RQ8160 Black NudeMay Queen RQ8160 Black Nude
May Queen RQ8160 Sale price$ 4,674 Regular price$ 6,294
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
Atria 6742HAtria 6742H
Atria 6742H Sale price$ 8,593
La Femme 32583 IndigoLa Femme 32583 Indigo
La Femme 32583 Sale price$ 8,242
Mac Duggal 995533 Petite Dress Antiquerose - ABMac Duggal 995533 Petite Dress Antiquerose - BK
Mac Duggal 995533 Petite Dress Sale price$ 13,807
May Queen RQ8182 Ivory NudeMay Queen RQ8182 Ivory Nude
May Queen RQ8182 Sale price$ 7,337
Elizabeth K GL3142 Bahama BlueElizabeth K GL3142 Bahama Blue
Elizabeth K GL3142 Sale price$ 4,699 Regular price$ 9,397
La Femme - 27837 Sequined Lace A-Line Gown In BlueLa Femme - 27837 Sequined Lace A-Line Gown In Blue
La Femme 27837 Sale price$ 8,732 Regular price$ 10,076
Mac Duggal 9948855 Petite Dress Black - CLMac Duggal 9948855 Petite Dress White - AB
May Queen RQ8157 Dusty BlueMay Queen RQ8157 Dusty Blue
May Queen RQ8157 Sale price$ 6,747
Faviana S10864 GreenFaviana S10864 Green
Faviana S10864 Sale price$ 7,337
LaDivine J880 burgundy off-shoulder sweetheart satin evening gown — front view with overskirt trainLaDivine J880 burgundy — back view of the satin gown and sweeping overskirt train
Mac Duggal 55712 Black formal gown front view in stretch jersey with beaded cuffs, v-neck surplice bodice, ruched waist, fitted sheath silhouette, black-tie event dressMac Duggal 55712 Black formal gown back view showing fully covered high back with concealed zipper, long sleeves, floor-length fitted sheath, gala gown
May Queen RQ8221May Queen RQ8221
May Queen RQ8221 Sale price$ 7,576
Elizabeth K GL3125 EmeraldElizabeth K GL3125 Emerald
Elizabeth K GL3125 Sale price$ 4,209 Regular price$ 8,405
Mac Duggal 9089 champagne beige fully beaded long sheath gown with floral appliqués, fitted column silhouette, V-neckline, front view, formal evening gownMac Duggal 9089 champagne beige beaded sheath gown scooped V-back with short cap sleeves, floor-length fitted column, back view, black tie event dress styled for formal
Mac Duggal 9927633 Petite Dress Dustyrose - ABMac Duggal 9927633 Petite Dress Dustyrose - BK
Primavera 4521Primavera 4521
Primavera 4521 Sale price$ 10,855
Ieena Duggal - 67879I Draped Bishop Sleeve Dress In RedIeena Duggal 67879 Red
Ieena Duggal 67879 Sale Sale price$ 4,385 Regular price$ 6,847
Ieena Duggal - 55035I Halter Bodice Shirred A-Line Dress In PinkIeena Duggal - 55035I Halter Bodice Shirred A-Line Dress In Pink
Ieena Duggal 55035 Sale price$ 8,606
Ladivine Bridal SF209W off-white off-shoulder beaded mermaid wedding gown with fringe detail — front-facing full viewBack view of Ladivine SF209W off-white beaded mermaid bridal gown — fringe trim and fitted back from behind
Ladivine CD788 eggplant V-neck long sleeve beaded sheath gown with illusion inset — front view evening lookLadivine CD788 black beaded long sleeve sheath — back view of the illusion inset and floor-length silhouette
Ladivine 7452 Sienna off-shoulder satin gown with corset bodice and high slit, prom gownLadivine 7452 Sienna satin gown with lace-up corset back, back view evening gown
Ladivine 7452 Sale price$ 2,375
Andrea and Leo A1238 Azalea PinkAndrea and Leo A1238 Marigold
Andrea and Leo A1238 Sale price$ 3,895 Regular price$ 6,722
Mac Duggal 67476 Evening Dress - Cobalt - ABMac Duggal 67476 Evening Dress - Cobalt - BK
Ladivine Bridal T720W off-white sleeveless halter-neck satin fitted wedding gown — model facing frontBack view of Ladivine T720W off-white satin halter-neck bridal gown — open back and train from a rear angle

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!