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Long Formal Party Dresses & Formal Prom Gowns

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La Femme - 29993 Illusioned Jewel Neckline Tea Length Dress In SilverLa Femme - 29993 Illusioned Jewel Neckline Tea Length Dress In Silver
La Femme 29993 Sale priceCHF 375 Regular priceCHF 442
Faviana 11256 RedFaviana 11256 Red
Faviana 11256 Sale priceCHF 392
Sold outMac Duggal 10558 In GreenMac Duggal 10558 In Green
Mac Duggal 10558 Sale priceCHF 489
Mac Duggal 93653 PurpleMac Duggal 93653 Purple
Mac Duggal 93653 Sale priceCHF 571
Elizabeth K GL3522 GreenElizabeth K GL3522 Red
Elizabeth K GL3522 Sale priceCHF 886
La Femme 32943 BlackLa Femme 32943 Black
La Femme 32943 Sale priceCHF 358
Jovani 23890 BlackJovani 23890 Black Back
Jovani 23890 Sale priceCHF 796 Regular priceCHF 812
Clarisse 811224 BlackClarisse 811224 Black
Clarisse 811224 Sale priceCHF 490
Clarisse 811212 CoralClarisse 811212 Coral
Clarisse 811212 Sale priceCHF 362
Andrea and Leo A0890 Dusty BlueAndrea and Leo A0890 Dusty Blue
Andrea and Leo A0890 Sale priceCHF 389
Mac Duggal 20346 TaupeMac Duggal 20346 Taupe
Mac Duggal 20346 Sale priceCHF 615 Regular priceCHF 1,069
SCALA 48557 Black GoldSCALA 48557 Black Gold
SCALA 48557 A Sale priceCHF 317
Andrea and Leo A1362Andrea and Leo A1362
Andrea and Leo A1362 Sale priceCHF 284 Regular priceCHF 506
Ieena Duggal 68344 Apple GreenIeena Duggal 68344 Apple Green
Ieena Duggal 68344 Sale priceCHF 182 Regular priceCHF 351
Portia and Scarlett PS25309 Light BluePortia and Scarlett PS25309 Light Blue
Portia and Scarlett PS25309 Sale priceCHF 511
Portia and Scarlett PS26106Portia and Scarlett PS26106
Portia and Scarlett PS26106 Sale priceCHF 592
May Queen LK261 Rose GoldMay Queen LK261
May Queen LK261 Sale priceCHF 546
La Femme - 27870 Floral Lace Short Sleeve A-Line Dress In PinkLa Femme - 27870 Floral Lace Short Sleeve A-Line Dress In Pink
La Femme 27870 Sale priceCHF 358 Regular priceCHF 537
SCALA 60373SCALA 60373
SCALA 60373 Sale priceCHF 400 Regular priceCHF 459
Ladivine CD372W Off WhiteLadivine CD372W Off White
Ladivine CD372W Sale priceCHF 173
May Queen MQ1850 In BlackMay Queen MQ1850 In Black
May Queen MQ1850 Sale priceCHF 134 Regular priceCHF 179
Sold outFaviana 11052Faviana 11052
Faviana 11052 Sale priceCHF 294
La Femme - 30044 Beaded Long Sheath Dress In PurpleLa Femme - 30044 Beaded Long Sheath Dress In Purple
La Femme 30044 Sale priceCHF 539
Andrea and Leo A1370Andrea and Leo A1370
Andrea and Leo A1370 Sale priceCHF 398
SCALA 61340 SapphireSCALA 61340 Sapphire
SCALA 61340 Sale priceCHF 333
Faviana E11030 Black/MultiFaviana E11030 Black/Multi
Faviana E11030 Sale priceCHF 367
Sold outAlyce Paris 61975 Black/GoldAlyce Paris 61975 Black/Gold
Alyce Paris 61975 Sale priceCHF 399
May Queen LK265 SageMay Queen LK265 Sage
May Queen LK265 Sale priceCHF 1,056
La Femme 32555 BronzeLa Femme 32555 Bronze
La Femme 32555 Sale priceCHF 294
Jessica Angel 2559 BlackJessica Angel 2559 Black
Jessica Angel 2559 Sale priceCHF 546
Dancing Queen 4343Dancing Queen 4343
Dancing Queen 4343 Sale priceCHF 252
Ieena Duggal 26151I SilverIeena Duggal 26151I Silver
Ieena Duggal 26151I Sale priceCHF 322
Faviana 11232 Ice PinkFaviana 11232 Ice Pink
Faviana 11232 Sale priceCHF 392
Faviana S10822E BlackFaviana S10822E Black
Faviana S10822E Sale priceCHF 425
La Femme 32932 Dark TealLa Femme 32932 Royal Blue
La Femme 32932 Sale priceCHF 261
Faviana S10870 RoyalFaviana S10870 Royal
Faviana S10870 Sale priceCHF 327
Atria 6854HAtria 6854H
Atria 6854H Sale priceCHF 429
Clarisse 811158 Antique GoldClarisse 811158 Antique Gold
Clarisse 811158 Sale priceCHF 282
GLS by Gloria GL3131 Baby BlueGLS by Gloria GL3131 Baby Blue
GLS by Gloria GL3131 Sale priceCHF 278 Regular priceCHF 555
Elizabeth K GL3614 ChampagneElizabeth K GL3614 Champagne
Elizabeth K GL3614 Sale priceCHF 284
La Femme - 27988 Quarter Sleeve Scoop Appliqued Dress In BlueLa Femme - 27988 Quarter Sleeve Scoop Appliqued Dress In Blue
La Femme 27988 Sale priceCHF 408 Regular priceCHF 471
La Femme 31419 PinkLa Femme 31419 Pink
La Femme 31419 Sale priceCHF 310
Portia and Scarlett PS26065Portia and Scarlett PS26065
Portia and Scarlett PS26065 Sale priceCHF 674
Clarisse 811311Clarisse 811311
Clarisse 811311 Sale priceCHF 446
Clarisse 810974 LilacClarisse 810974 Lilac
Clarisse 810974 Sale priceCHF 382
Jessica Angel 2619 CobaltJessica Angel 2619 Cobalt
Jessica Angel 2619 Sale priceCHF 509
Mac Duggal 9164 In Pink MultiMac Duggal 9164 In Pink Multi
Mac Duggal 9164 Sale priceCHF 571
Andrea and Leo A1334 BlushAndrea and Leo A1334 Blue
Andrea and Leo A1334 Sale priceCHF 253 Regular priceCHF 551

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!