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Long Formal Party Dresses & Formal Gowns

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5619 Item

Portia and Scarlett PS25281 CobaltPortia and Scarlett PS25281 Cobalt
Portia and Scarlett PS25281 Sale price$ 7,416
Ladivine CC475 Dusty RoseLadivine CC475 Dusty Blue
Portia and Scarlett PS26077Portia and Scarlett PS26077
Portia and Scarlett PS26077 Sale price$ 16,242
La Femme 32382 EmeraldLa Femme 32382 Emerald
La Femme 32382 Sale price$ 7,061
Ladivine CDS439 RoyalLadivine CDS439 Royal
Ladivine CDS439 Sale price$ 3,061
La Femme - 27971 Illusion Embroidered A-Line Dress In PurpleLa Femme - 27971 Illusion Embroidered A-Line Dress In Purple
La Femme 27971 Sale price$ 4,788 Regular price$ 8,394
Mac Duggal 20353 PlumMac Duggal 20353 Plum
Mac Duggal 20353 Sale price$ 15,912
Clarisse 811208 RoyalClarisse 811208 Royal
Clarisse 811208 Sale price$ 6,401
La Femme 32529 BlackLa Femme 32529 Black
La Femme 32529 Sale price$ 6,705
Ladivine CD404 champagne strapless sweetheart beaded tulle gown with high slit — warm ivory-gold front viewLadivine CD404 champagne — corset back and floor-length tulle train photographed from behind
Elizabeth K GL3831Elizabeth K GL3831
Elizabeth K GL3831 Sale price$ 10,553
GLS by Gloria GL3131 Baby BlueGLS by Gloria GL3131 Baby Blue
GLS by Gloria GL3131 Sale price$ 6,007 Regular price$ 12,013
Atria 6841HAtria 6841H
Atria 6841H Sale price$ 8,902
Ladivine OC007 Dusty BlueLadivine OC007 Dusty Blue
Ladivine OC007 Sale price$ 2,934 Regular price$ 6,464
La Femme - 29964 Plunging Neck Lace Tulle Long Dress In PinkLa Femme - 29964 Plunging Neck Lace Tulle Long Dress In Pink
La Femme 29964 Sale price$ 7,061
La Femme 32995 MochaLa Femme 32995 Purple
La Femme 32995 Sale price$ 5,994
Ladivine CDS559 purple sleeveless sweetheart satin corset gown with high slit — head-on view of the fitted formalLadivine CDS559 purple — rear view showing the corset lacing and satin skirt with the high slit at rest
Portia and Scarlett PS26072Portia and Scarlett PS26072
Portia and Scarlett PS26072 Sale price$ 9,385
Ieena Duggal - 26527I Tiered One Shoulder Dress In BlackIeena Duggal - 26527I Tiered One Shoulder Dress In Black
Ieena Duggal 26527I Sale price$ 9,169
La Femme - 27942 Illusion Floral Lace A-Line Dress In BlueLa Femme - 27942 Illusion Floral Lace A-Line Dress In Silver & Gray
La Femme 27942 Sale price$ 7,734 Regular price$ 10,185
Ladivine J899 navy strapless sweetheart beaded satin corset gown with high slit and train — deep indigo head-on front view of the fitted prom and wedding-guest formalLadivine J899 navy — rear-facing view of the beaded satin corset gown showing the fitted back construction and navy train with high slit
Elizabeth K GL3538 Rose GoldElizabeth K GL3538 Gold
Elizabeth K GL3538 Sale price$ 3,493
Ladivine Bridal WL087 off-white sleeveless sweetheart A-line lace corset gown — model at the front, train extending behindBack view of Ladivine WL087 off-white A-line lace bridal gown — corset back lacing and sweeping tulle train
Ieena Duggal - 26537I Asymmetric One Shoulder Metallic Gown With Slit In Champagne and GoldIeena Duggal - 26537I Asymmetric One Shoulder Metallic Gown With Slit In Champagne and Gold
Ieena Duggal 26537 Sale price$ 7,328
Portia and Scarlett PS25269Portia and Scarlett PS25269 Blue
Portia and Scarlett PS25269 Sale price$ 11,544
Ladivine Bridal CD389W off-white strapless sweetheart beaded wedding gown with crisscross back and train — front viewBack view of Ladivine CD389W off-white beaded strapless bridal gown — crisscross back and beaded train from behind
Ieena Duggal 27350 WineIeena Duggal 27350 Wine
Ieena Duggal 27350 Sale price$ 3,670 Regular price$ 7,328
Elizabeth K GL3551Baby BlueElizabeth K GL3551Baby Blue
Elizabeth K GL3551 Sale price$ 20,864
Ieena Duggal 49896 BlackIeena Duggal 49896 Black
Ieena Duggal 49896 Sale price$ 7,531
Primavera 4526Primavera 4526
Primavera 4526 Sale price$ 11,785
Elizabeth K GL3547 PinkElizabeth K GL3547 Pink
Elizabeth K GL3547 Sale price$ 19,734
GLS by Gloria GL3296 SageGLS by Gloria GL3296 Sage
GLS by Gloria GL3296 Sale price$ 4,750 Regular price$ 9,499
Ieena Duggal 55661 In Black and MultiIeena Duggal 55661 In Black and Multi
Ieena Duggal 55661 Sale price$ 7,328
Primavera 12211Primavera 12211
Primavera 12211 Sale price$ 14,185
Ieena Duggal 55820 BlackIeena Duggal 55820 Black
Ieena Duggal 55820 Sale price$ 4,585 Regular price$ 9,169
Elizabeth K GL3667Elizabeth K GL3667
Elizabeth K GL3667 Sale price$ 11,378
Atria 6864HAtria 6864H
Atria 6864H Sale price$ 8,724
Leena Duggal 11636 GoldLeena Duggal 11636 Gold
leena Duggal 11636 Sale price$ 9,169
Ladivine CD668C dark silver strapless sweetheart beaded satin corset A-line gown with crisscross back — deep charcoal-metallic plus-size front view of the prom and pageant formal with trainLadivine CD668C dark silver — rear-facing view of the crisscross back straps and A-line satin train on the plus-size sweetheart formal
Ieena Duggal 27061 Antique GoldIeena Duggal 27061 Antique Gold
Ieena Duggal 27061 Sale price$ 7,023
Portia and Scarlett PS25278 RedPortia and Scarlett PS25278 Black Silver
Portia and Scarlett PS25278 Sale price$ 11,544
Ladivine Bridal CD378W off-white strapless sweetheart satin A-line wedding gown with corset and high slit — single product view
La Femme - 30044 Beaded Long Sheath Dress In PurpleLa Femme - 30044 Beaded Long Sheath Dress In Purple
La Femme 30044 Sale price$ 11,658
Clarisse 810602 Ivory/Sagevideowise-widget-6675879ca76a3d00290aacea-7496193671361
Clarisse 810602 Sale price$ 10,807
Portia and Scarlett PS25307 PinkPortia and Scarlett PS25307
Portia and Scarlett PS25307 Sale price$ 13,029
La Femme 32930 IvoryLa Femme 32930 Ivory
La Femme 32930 Sale price$ 10,070
Mac Duggal - 5611 Ruffled One Shoulder Gown In GreenMac Duggal - 5611 Ruffled One Shoulder Gown In Green
Mac Duggal 5611 Sale Sale price$ 4,508 Regular price$ 5,778
Elizabeth K GL3608 PinkElizabeth K GL3608 Pink
Elizabeth K GL3608 Sale price$ 16,344

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!