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Long Formal Party Dresses & Formal Prom Gowns

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Elizabeth K GL3125 EmeraldElizabeth K GL3125 Emerald
Elizabeth K GL3125 Sale priceCHF 194 Regular priceCHF 388
Jovani 07017 Black and WhiteJovani 07017 Black and White
Jovani 07017 Sale priceCHF 690 Regular priceCHF 710
Clarisse 62217Clarisse 62217
Clarisse 62217 Sale priceCHF 466
Portia and Scarlett PS25175 FuchsiaPortia and Scarlett PS25175 Fuchsia
Portia and Scarlett PS25175 Sale priceCHF 632
Ladivine 7452 SiennaLadivine 7452 Sienna
Ladivine 7452 Sale priceCHF 109
PS25164-White Pink
Portia and Scarlett PS25164 Sale priceCHF 511
Mac Duggal 11627 BlackMac Duggal 11627 Black
Mac Duggal 11627 Sale priceCHF 968
Dancing Queen 4318Dancing Queen 4318
Dancing Queen 4318 Sale priceCHF 240
SCALA 60370SCALA 60370
SCALA 60370 Sale priceCHF 394
Terani Couture 261P6079Terani Couture 261P6079
Terani Couture 261P6079 Sale priceCHF 558
Atria 7033HAtria 7033H
Atria 7033H Sale priceCHF 396
Elizabeth K GL3605 Off WhiteElizabeth K GL3605 Off White
Elizabeth K GL3605 Sale priceCHF 797
Atria 6760HAtria 6760H
Atria 6760H Sale priceCHF 394
Alyce Paris 61577 PineAlyce Paris 61577 Pine
Alyce Paris 61577 Sale priceCHF 363
Alyce Paris 61513 Neon MagentaAlyce Paris 61513 Neon Magenta
Alyce Paris 61513 Sale priceCHF 346
Ieena Duggal 44064 CobaltIeena Duggal 44064 Cobalt
Ieena Duggal 44064 Sale priceCHF 273
GLS by Gloria GL3218 BlackGLS by Gloria GL3218 Hot Pink
GLS by Gloria GL3218 Sale priceCHF 240
Portia and Scarlett PS25196 BluePortia and Scarlett PS25196 Blue
Portia and Scarlett PS25196 Sale priceCHF 451
La Femme 33520La Femme 33520
La Femme 33520 Sale priceCHF 380
Mac Duggal 93869 BlackMac Duggal 93869 Black
Mac Duggal 93869 Sale priceCHF 644
Ieena Duggal 26588 OrchidIeena Duggal 26588 Orchid
Ieena Duggal 26588 Sale Sale priceCHF 180 Regular priceCHF 334
Ladivine CD396Ladivine CD396
Ladivine CD396 Sale priceCHF 217
La Femme 32878 BlackLa Femme 32878 Black
La Femme 32878 Sale priceCHF 380
La Femme - 27856 Full Length Lace Fitted Dress In SilverLa Femme - 27856 Full Length Lace Fitted Dress In Pink
La Femme 27856 Sale priceCHF 484 Regular priceCHF 546
Portia and Scarlett PS25303 Light BluePortia and Scarlett PS25303 Light Blue
Portia and Scarlett PS25303 Sale priceCHF 752
Ellie Wilde EW37059Ellie Wilde EW37059
Ellie Wilde EW37059 Sale priceCHF 463
Mac Duggal - 5669 Sleeveless V-Back Sequin Long Gown In PinkMac Duggal - 5669 Sleeveless V-Back Sequin Long Gown In Pink
Mac Duggal 5669 Sale priceCHF 320
Clarisse 62160Clarisse 62160
Clarisse 62160 Sale priceCHF 501
SCALA 60290 EmeraldSCALA 60290 Emerald
SCALA 60290 Sale priceCHF 355
Terani Couture 252E5181Terani Couture 252E5181
Terani Couture 252E5181 Sale priceCHF 511
La Femme - 28026 Cap Sleeve Jersey Long Formal Dress In BlackLa Femme - 28026 Cap Sleeve Jersey Long Formal Dress In Black
La Femme 28026 Sale priceCHF 257 Regular priceCHF 318
La Femme - 30045 Embroidered Off-Shoulder Pleated Long Gown In SilverLa Femme - 30045 Embroidered Off-Shoulder Pleated Long Gown In Silver
La Femme 30045 Sale priceCHF 380 Regular priceCHF 551
Atria 7051HAtria 7051H
Atria 7051H Sale priceCHF 390
Clarisse 811185 Light BlueClarisse 811185 Light Blue
Clarisse 811185 Sale priceCHF 440
SCALA 61300 PeriwinkleSCALA 61300 Periwinkle
SCALA 61300 Sale priceCHF 378
Faviana S10822E BlackFaviana S10822E Black
Faviana S10822E Sale priceCHF 419
Andrea and Leo A1237 LavenderAndrea and Leo A1237 Paris Blue
Andrea and Leo A1237 Sale priceCHF 192 Regular priceCHF 387
Atria 6808HAtria 6808H
Atria 6808H Sale priceCHF 394
Jessica Angel 2617 PeacockJessica Angel 2617 Peacock
Jessica Angel 2617 Sale priceCHF 411
Ladivine HT101 In MochaLadivine HT101 In Mocha
Ladivine HT101 Sale priceCHF 153 Regular priceCHF 357
La Femme 32887 BronzeLa Femme 32887 Bronze
La Femme 32887 Sale priceCHF 306
Ieena Duggal - 26730 Asymmetric Sequined Evening Dress In OrangeIeena Duggal Tangerine
Ieena Duggal 26730 Sale priceCHF 320
Primavera 4534Primavera 4534
Primavera 4534 Sale priceCHF 451
Clarisse 810809 SageClarisse 810809 Sage
Clarisse 810809 Sale priceCHF 493
Ieena Duggal 55898 RedIeena Duggal 55898 Red
Ieena Duggal 55898 Sale priceCHF 344
Ladivine T713Ladivine T713
Ladivine T713 Sale priceCHF 96
Ladivine 7495 BurgundyLadivine 7495 Emerald
Ladivine 7495 Sale priceCHF 87 Regular priceCHF 153
Andrea and Leo A1182 SilverAndrea and Leo A1182 Silver
Andrea and Leo A1182 Sale priceCHF 669

2025 Long Formal Party Dresses & Formal Prom Gowns
Check out our 2025 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!