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Long Formal Party Dresses & Formal Prom Gowns

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Ladivine CD355 RedLadivine CD355 Red
Ladivine CD355 Sale priceCHF 118
Faviana 9569Faviana 9569
Faviana 9569 Sale priceCHF 403
La Femme - 30536 Ruched V-Neck Ballgown In PurpleLa Femme - 30536 Ruched V-Neck Ballgown In Purple
La Femme 30536 Sale priceCHF 322
La Femme 31448 RedLa Femme 31448 Blue
La Femme 31448 Sale priceCHF 306
Clarisse 62195Clarisse 62195
Clarisse 62195 Sale priceCHF 437
Jessica Angel 2568 OrangeJessica Angel 2568 Orange
Jessica Angel 2568 Sale priceCHF 538
Ladivine CD994 BlueLadivine CD994 Silver
Ladivine CD994 Sale priceCHF 132 Regular priceCHF 278
Ladivine CC2358 Silver-NudeLadivine CC2358 Black-Nude
Ladivine CC2358 Sale priceCHF 246 Regular priceCHF 449
Andrea and Leo A0997WAndrea and Leo A0997W
Andrea and Leo A0997W Sale priceCHF 327
Andrea and Leo A1163 English VioletAndrea and Leo A1163 Smoky Blue
Andrea and Leo A1163 Sale priceCHF 172 Regular priceCHF 342
Elizabeth K GL3539 ChampagneElizabeth K GL3539 Black
Elizabeth K GL3539 Sale priceCHF 160
SCALA 60222 Turquoise IvorySCALA 60222 B
SCALA 60222 B Sale priceCHF 394
Terani Couture 261P6605Terani Couture 261P6605
Terani Couture 261P6605 Sale priceCHF 530
Portia and Scarlett PS25171 FuchsiaPortia and Scarlett PS25171 Fuchsia
Portia and Scarlett PS25171 Sale priceCHF 338
Alyce Paris 61552 Lemon DropAlyce Paris 61552 Lemon Drop
Alyce Paris 61552 Sale priceCHF 311
Portia and Scarlett PS26016Portia and Scarlett PS26016
Portia and Scarlett PS26016 Sale priceCHF 764
Jovani 08361 GreyJovani 08361 Grey
Jovani 08361 Sale priceCHF 637
La Femme 32782 PurpleLa Femme 32782 Purple
La Femme 32782 Sale priceCHF 225
Elizabeth K GL2804Elizabeth K GL2804
Elizabeth K GL2804 Sale priceCHF 327 Regular priceCHF 654
Ladivine CA121Ladivine CA121
Ladivine CA121 Sale priceCHF 219
Elizabeth K GL3566 SilverElizabeth K GL3566 Silver
Elizabeth K GL3566 Sale priceCHF 180
Atria 7038HAtria 7038H
Atria 7038H Sale priceCHF 406
GLS by Gloria GL3160 BlackGLS by Gloria GL3160 Black
GLS by Gloria GL3160 Sale priceCHF 296 Regular priceCHF 591
Clarisse 810824 Dark TealClarisse 810824 Dark Teal
Clarisse 810824 Sale priceCHF 281
La Femme 32717 BlackLa Femme 32717 Black
La Femme 32717 Sale priceCHF 396
Elizabeth K GL3547 PinkElizabeth K GL3547 Pink
Elizabeth K GL3547 Sale priceCHF 899
Andrea and Leo A0770 LemonAndrea and Leo A0770 Lemon
Andrea and Leo A0770 Sale priceCHF 172 Regular priceCHF 344
SCALA 61342 BlackSCALA 61342 Black
SCALA 61342 Sale priceCHF 345
Jessica Angel 2717Jessica Angel 2717
Jessica Angel 2717 Sale priceCHF 397
Primavera 14106Primavera 14106
Primavera 14106 Sale priceCHF 584
Jovani 22348 BlueJovani 22348 Blue
Jovani 22348 Sale priceCHF 689
Alyce Paris 61736 PinkAlyce Paris 61736 Pink
Alyce Paris 61736 Sale priceCHF 578
Portia and Scarlett PS25228Portia and Scarlett PS25228
Portia and Scarlett PS25228 Sale priceCHF 526
Clarisse 810811 SeafoamClarisse 810811 Seafoam
Clarisse 810811 Sale priceCHF 475
La Femme 32731 BlackLa Femme 32731 Black
La Femme 32731 Sale priceCHF 355
Terani Couture 252E5125Terani Couture 252E5125
Terani Couture 252E5125 Sale priceCHF 719
Mac Duggal - 20389 Feather Adorned Gown In Pink and NeutralMac Duggal - 20389 Feather Adorned Gown In Pink and Neutral
Mac Duggal 20389 Sale priceCHF 644
La Femme - 28029 Floral Lace Illusion Bateau Dress In BlueLa Femme - 28029 Floral Lace Illusion Bateau Dress In Blue
La Femme 28029 Sale priceCHF 257 Regular priceCHF 334
GLS by Gloria GL3377 SageGLS by Gloria GL3377 Sage
GLS by Gloria GL3377 Sale priceCHF 219 Regular priceCHF 436
Portia and Scarlett PS25635E Black
Portia and Scarlett PS25635E Sale priceCHF 493
Ladivine B707 In SilverLadivine B707 In Silver
Ladivine B707 Sale priceCHF 381 Regular priceCHF 635
Mac Duggal 11832 BlackMac Duggal 11832 Black
Mac Duggal 11832 Sale priceCHF 414
Ieena Duggal 49701 RedIeena Duggal 49701 Red
Ieena Duggal 49701 Sale priceCHF 180 Regular priceCHF 334
Ladivine C169Ladivine C169
Ladivine C169 Sale priceCHF 198
GLS by Gloria GL3393 LilacGLS by Gloria GL3393 Lilac
GLS by Gloria GL3393 Sale priceCHF 197 Regular priceCHF 393
Portia and Scarlett PS26402CPortia and Scarlett PS26402C
Portia and Scarlett PS26402C Sale priceCHF 549
Jessica Angel 2599 Neon PinkJessica Angel 2599 Neon Pink
Jessica Angel 2599 Sale priceCHF 365
La Femme - 28470 Floral Lace Tulle Slit A-Line Gown In MauveLa Femme - 28470 Floral Lace Tulle Slit A-Line Gown In Pink
La Femme 28470 Sale priceCHF 403

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!