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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 32704 BlackLa Femme 32704 Black
La Femme 32704 Sale priceCHF 409
Portia and Scarlett PS25230 FuchsiaPortia and Scarlett PS25230 Fuchsia
Portia and Scarlett PS25230 Sale priceCHF 267
Jessica Angel 2568 OrangeJessica Angel 2568 Orange
Jessica Angel 2568 Sale priceCHF 547
Andrea and Leo A1435Andrea and Leo A1435
Andrea and Leo A1435 Sale priceCHF 705
May Queen LK266 Dusty BlueMay Queen LK266 Dusty Blue
May Queen LK266 Sale priceCHF 429 Regular priceCHF 882
Atria 6864HAtria 6864H
Atria 6864H Sale priceCHF 404
SCALA 61336 Royal IrisSCALA 61336 Royal Iris
SCALA 61336 Sale priceCHF 434
Jovani 26017 CobaltJovani 26017 Cobalt
Jovani 26017 Sale priceCHF 798 Regular priceCHF 813
Dancing Queen 4338Dancing Queen 4338
Dancing Queen 4338 Sale priceCHF 252
Mac Duggal 93781Mac Duggal 93781
Mac Duggal 93781 Sale priceCHF 572
SCALA 60365SCALA 60365
SCALA 60365 Sale priceCHF 384
Jovani 1122 CooperJovani 1122 Cooper
Jovani 1122 Sale priceCHF 707
Alyce Paris 61509 FuchsiaAlyce Paris 61509 Fuchsia
Alyce Paris 61509 Sale priceFrom CHF 176
Alyce Paris 61617 Cerulean BlueAlyce Paris 61617 Cerulean Blue
Alyce Paris 61617 Sale priceCHF 351
Alyce Paris 27173Alyce Paris 27173
Alyce Paris 27173 Sale priceCHF 190 Regular priceCHF 356
La Femme 32930 IvoryLa Femme 32930 Ivory
La Femme 32930 Sale priceCHF 466
Ieena Duggal - 2630I Long Beaded Cutout Gown In BlackIeena Duggal - 2630I Long Beaded Cutout Gown In Black
Ieena Duggal 2630 Sale priceCHF 205 Regular priceCHF 391
Mac Duggal 20580 Sage MultiMac Duggal 20580 Sage Multi
Mac Duggal 20580 Sale priceCHF 490
SCALA 61351 GoldSCALA 61351 Gold
SCALA 61351 Sale priceCHF 351
Jovani 23178 GoldJovani 23178 Gold Back
Jovani 23178 Sale priceCHF 798 Regular priceCHF 813
Portia and Scarlett PS26158Portia and Scarlett PS26158
Portia and Scarlett PS26158 Sale priceCHF 605
Alyce Paris 61574 PineAlyce Paris 61574 Pine
Alyce Paris 61574 Sale priceCHF 413
May Queen MQ1939 BlackMay Queen MQ1939 Black
May Queen MQ1939 Sale priceCHF 132 Regular priceCHF 264
Alyce Paris 61659 Dark OrchidAlyce Paris 61659 Dark Orchid
Alyce Paris 61659 Sale priceCHF 395
Portia and Scarlett PS25266 PinkPortia and Scarlett PS25266 Pink
Portia and Scarlett PS25266 Sale priceCHF 382
May Queen MQ2109 BlackMay Queen MQ2109 Black
May Queen MQ2109 Sale priceCHF 202
Jessica Angel 2509 RedJessica Angel 2509 Red
Jessica Angel 2509 Sale priceCHF 399
Andrea and Leo A1141 Dusty RoseAndrea and Leo A1141
Andrea and Leo A1141 Sale priceCHF 198
Dancing Queen 4334Dancing Queen 4334
Dancing Queen 4334 Sale priceCHF 223
Ieena Duggal 11277 In BlueIeena Duggal 11277 In Blue
Ieena Duggal A11277 Sale Sale priceCHF 176 Regular priceCHF 359
Ladivine WN315Ladivine WN315
Ladivine WN315 Sale priceCHF 306
PS25166-AquaPS25166-White Nude BK
Portia and Scarlett PS25166 Sale priceCHF 489
Ladivine BD111 OrchidLadivine BD111 Burgundy
Ladivine BD111 Sale priceCHF 71 Regular priceCHF 126
Leena Duggal 11441 BlackLeena Duggal 11441 Black
leena Duggal 11441 Sale priceCHF 227 Regular priceCHF 425
Ladivine CDS487 Dusty BlueLadivine CDS487 Emerald
Ladivine CDS487 Sale priceCHF 99 Regular priceCHF 191
Mac Duggal 10013 Midnight MultiMac Duggal 10013 Midnight Multi
Mac Duggal 10013 Sale priceCHF 654
Mac Duggal 5538 BrownMac Duggal 5538 Brown
Mac Duggal 5538 Sale priceCHF 490
La Femme 33012 Dark EmeraldLa Femme 33012 Royal Blue
La Femme 33012 Sale priceCHF 261
Mac Duggal 10044 OliveMac Duggal 10044 Olive
Mac Duggal 10044 Sale priceCHF 490
Jovani 08384 HunterJovani 08384 Hunter
Jovani 08384 Sale priceCHF 877
Andrea and Leo A1254 BlackAndrea and Leo A1254 Black
Andrea and Leo A1254 Sale priceCHF 195 Regular priceCHF 413
Mac Duggal 68147 BlackMac Duggal 68147 Black
Mac Duggal A68147 Sale priceCHF 244 Regular priceCHF 392
Alyce Paris 61487 ClaretAlyce Paris 61487 Claret
Alyce Paris 61487 Sale priceCHF 395
Ladivine CDS505 Dusty LavenderLadivine CDS505 - Dusty Lavender
Ladivine CDS505 Sale priceCHF 219
Mac Duggal 68515Mac Duggal 68515
Mac Duggal 68515 Sale Sale priceCHF 213 Regular priceCHF 425
SCALA 60724 Red/SilverSCALA 60724 Red/Silver
SCALA 60724 Sale priceCHF 384
Jessica Angel 2565 RedJessica Angel 2565 Red
Jessica Angel 2565 Sale priceCHF 510
Ieena Duggal 26583 In WhiteIeena Duggal 26583 In White
Ieena Duggal 26583 Sale priceCHF 194

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!