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Long Formal Party Dresses & Formal Prom Gowns

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Jovani 07948 GreenJovani 07948 Green
Jovani 07948 Sale priceCHF 1,151
Portia and Scarlett PS25298 BluePortia and Scarlett PS25298 Blue
Portia and Scarlett PS25298 Sale priceCHF 382
La Femme 33032 MochaLa Femme 33032 Mocha
La Femme 33032 Sale priceCHF 358
Portia and Scarlett PS26046Portia and Scarlett PS26046
Portia and Scarlett PS26046 Sale priceCHF 634
Mac Duggal 79430 Slate BlueMac Duggal 79430 Slate Blue
Mac Duggal 79430 Sale priceCHF 654
Portia and Scarlett PS25349 Cobalt
Portia and Scarlett PS25349 Sale priceCHF 343
Clarisse 811215 Dusty BlueClarisse 811215 Dusty Blue
Clarisse 811215 Sale priceCHF 428
Sold outAndrea and Leo A1251 NavyAndrea and Leo A1251 Navy
Andrea and Leo A1251 Sale priceCHF 263
Portia and Scarlett PS25267Portia and Scarlett PS25267 Cobalt
Portia and Scarlett PS25267 Sale priceCHF 511
La Femme 33033La Femme 33033
La Femme 33033 Sale priceCHF 261
La Femme 32669 Bright OrangeLa Femme 32669 Bright Orange
La Femme 32669 Sale priceCHF 386
Jessica Angel 2390 RoyalJessica Angel 2390 Royal
Jessica Angel 2390 Sale priceCHF 454
May Queen RQ7970 BlackMay Queen RQ7970 Black
May Queen RQ7970 Sale priceCHF 91 Regular priceCHF 214
Faviana S10807 GreenFaviana S10807 Green
Faviana S10807 Sale priceCHF 294
Mac Duggal 42069 BlackMac Duggal 42069 Black
Mac Duggal 42069 Sale priceCHF 376
Clarisse 811244 BlackClarisse 811244 Black
Clarisse 811244 Sale priceCHF 363
Ladivine CD252C Champagne GoldLadivine CD252C Red
Ladivine CD252C Sale priceCHF 199
Alyce Paris 61660 UnicornAlyce Paris 61660 Unicorn
Alyce Paris 61660 Sale priceCHF 298
Mac Duggal 68229 BlueMac Duggal 68229 Blue
Mac Duggal 68229 Sale priceCHF 407
La Femme 32700 Dark BerryLa Femme 32700 Dark Berry
La Femme 32700 Sale priceCHF 358
La Femme 32547 Dusty PinkLa Femme 32547 Dusty Pink
La Femme 32547 Sale priceCHF 386
Jessica Angel 573 Dark CopperJessica Angel 573 Dark Copper
Jessica Angel 573 Sale priceCHF 361
La Femme 29751 In BlackLa Femme 29751 In Black
La Femme 29751 Sale priceCHF 392 Regular priceCHF 459
Portia and Scarlett PS25278 RedPortia and Scarlett PS25278 Black Silver
Portia and Scarlett PS25278 Sale priceCHF 534
Mac Duggal 93618Mac Duggal 93618
Mac Duggal 93618 Sale priceCHF 801 Regular priceCHF 1,531
Ladivine CB162
Ladivine CB162 Sale priceCHF 283
Faviana E11238 PeacockFaviana E11238 Peacock
Faviana E11238 Sale priceCHF 294
Ladivine CH377 EggplantLadivine CH377 Eggplant
Ladivine CH377 Sale priceCHF 101
La Femme 32983 Dark TealLa Femme 32983 Dark Teal
La Femme 32983 Sale priceCHF 310
Mac Duggal 93869 BlackMac Duggal 93869 Black
Mac Duggal 93869 Sale priceCHF 654
Sold outMac Duggal 5981 SageMac Duggal 5981 Sage
Mac Duggal 5981 Sale priceCHF 736
Jessica Angel 2392 OrangeJessica Angel 2392 Orange
Jessica Angel 2392 Sale priceCHF 417
May Queen MQ2139 VioletMay Queen MQ2139 Violet
May Queen MQ2139 Sale priceCHF 221
Elizabeth K GL3617 MauveElizabeth K GL3617 Mauve
Elizabeth K GL3617 Sale priceCHF 285
La Femme 32914 BlackLa Femme 32914 Black
La Femme 32914 Sale priceCHF 327
Ladivine CM318 BurgundyLadivine CM318 Burgundy
Ladivine CM318 Sale priceCHF 234
May Queen RQ7941 MauveMay Queen RQ7941 Mauve
May Queen RQ7941 Sale priceCHF 114 Regular priceCHF 134
Faviana 11020 Dark EmeraldFaviana 11020 Dark Emerald
Faviana 11020 Sale priceCHF 360
Faviana 11031 HunterFaviana 11031 Hunter
Faviana 11031 Sale priceCHF 392
Clarisse 810431 Bubblegum PinkClarisse 810431
Clarisse 810431 Sale priceCHF 315
Mac Duggal - 20245 Enchanting Tulle Floral Long Gown In SilverMac Duggal - 20245 Enchanting Tulle Floral Long Gown In Silver
Mac Duggal 20245 Sale priceCHF 489
May Queen RQ8138 SageMay Queen RQ8138 Sage
May Queen RQ8138 Sale priceCHF 252
Clarisse 810725 Shimmer SageClarisse 810725 Shimmer Sage
Clarisse 810725 Sale priceCHF 371
Mac Duggal 68053Mac Duggal 68053
Mac Duggal 68053 Sale priceCHF 325
Mac Duggal 93591Mac Duggal 93591
Mac Duggal 93591 Sale priceCHF 407
May Queen MQ2120May Queen MQ2120 Black
May Queen MQ2120 Sale priceCHF 154 Regular priceCHF 287
Elizabeth K GL3082 PinkElizabeth K GL3082 Pink
Elizabeth K GL3082 Sale priceCHF 200 Regular priceCHF 399
Jessica Angel 2629 NavyJessica Angel 2629 Navy
Jessica Angel 2629 Sale priceCHF 361

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!