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Long Formal Party Dresses & Formal Prom Gowns

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Alyce Paris 61733 RosewaterAlyce Paris 61733 Rosewater
Alyce Paris 61733 Sale priceCHF 295
La Femme 32729 BlackLa Femme 32729 Black
La Femme 32729 Sale priceCHF 369
Mac Duggal - 5510 Puff Sleeve Sequin Long Gown In BlueMac Duggal - 5510 Puff Sleeve Sequin Long Gown In Blue
Mac Duggal 5510 Sale priceCHF 346 Regular priceCHF 656
Ieena Duggal 56035 PurpleIeena Duggal 56035 Purple
Ieena Duggal 56035 Sale priceCHF 273
Mac Duggal 93841Mac Duggal 93841
Mac Duggal 93841 Sale priceCHF 401
Mac Duggal 5453 Forest GreenMac Duggal 5453 Forest Green
Mac Duggal 5453 Sale priceCHF 414
Portia and Scarlett PS25994CPortia and Scarlett PS25994C
Portia and Scarlett PS25994C Sale priceCHF 958
Primavera 4559Primavera 4559
Primavera 4559 Sale priceCHF 439
La Femme 32791 Dark BerryLa Femme 32791 Black
La Femme 32791 Sale priceCHF 364
Clarisse 62156Clarisse 62156
Clarisse 62156 Sale priceCHF 518
Clarisse 62208Clarisse 62208
Clarisse 62208 Sale priceCHF 466
Terani Couture 252E5103Terani Couture 252E5103
Terani Couture 252E5103 Sale priceCHF 521
SCALA 60259 CalypsoSCALA 60259 Calypso
SCALA 60259 Sale priceCHF 345
Faviana S10815 PeriFaviana S10815 Peri
Faviana S10815 Sale priceCHF 355
Ladivine CD269WLadivine CD269W
Ladivine CD269W Sale priceCHF 154 Regular priceCHF 272
Clarisse 811127 WhiteClarisse 811127 White
Clarisse 811127 Sale priceCHF 634
Faviana S10819 GreenFaviana S10819 Green
Faviana S10819 Sale priceCHF 322
Mac Duggal - 10748D Embellished Long Dress In BlackMac Duggal - 10748D Embellished Long Dress In Black
Mac Duggal 10748D Sale priceCHF 502
Ladivine 7444 RoseLadivine 7444 Rose
Ladivine 7444 Sale priceCHF 106
Ieena Duggal 2634 Plum FloralIeena Duggal 2634 Plum Floral
Ieena Duggal 2634I Sale priceCHF 334
Elizabeth K GL3145 Hot PinkElizabeth K GL3145 Hot Pink
Elizabeth K GL3145 Sale priceCHF 197 Regular priceCHF 393
SCALA 60096 BlackSCALA 60096 Black
SCALA 60096 Sale priceCHF 454
Mac Duggal 5509 NauveMac Duggal 5509
Mac Duggal 5509 Sale priceCHF 320
Leena Duggal 13003 BlackLeena Duggal 13003 Black
leena Duggal 13003 Sale priceCHF 401
La Femme - 30199 Satin And Lace Off Shoulder Mermaid Gown In BlueLa Femme - 30199 Satin And Lace Off Shoulder Mermaid Gown In Blue
La Femme 30199 Sale priceCHF 380
Andrea and Leo A1261 Dusty SageAndrea and Leo A1261 Dusty Sage
Andrea and Leo A1261 Sale priceCHF 192 Regular priceCHF 436
Faviana S10865 GreenFaviana S10865
Faviana S10865 Sale priceCHF 370
Ieena Duggal - 26575 Jeweled Neck Trumpet Gown In GreenIeena Duggal - 26575 Jeweled Neck Trumpet Gown In Green
Ieena Duggal 26575 Sale priceCHF 346 Regular priceCHF 724
Mac Duggal 68349 BlackMac Duggal 68349 Black
Mac Duggal 68349 Sale priceCHF 482
Ellie Wilde EW37010Ellie Wilde EW37010
Ellie Wilde EW37010 Sale priceCHF 393
SCALA 60286 ChampagneSCALA 60286 Champagne
SCALA 60286 Sale priceCHF 437
La Femme - 29045 Sequined Deep V Neck Tulle A-Line Gown In GreenLa Femme - 29045 Sequined Deep V Neck Tulle A-Line Gown In Red
La Femme 29045 Sale priceCHF 355
Elizabeth K GL3578 Ivory/GoldElizabeth K GL3578 Ivory/Gold
Elizabeth K GL3578 Sale priceCHF 1,105
La Femme 32555 BronzeLa Femme 32555 Bronze
La Femme 32555 Sale priceCHF 290
Faviana 11435Faviana 11435
Faviana 11435 Sale priceCHF 386
Alyce Paris 61438 PinkAlyce Paris 61438 Pink
Alyce Paris 61438 Sale priceCHF 151
Mac Duggal 2211 Apple GreenMac Duggal 2211 Apple Green
Mac Duggal 2211 Sale priceCHF 344 Regular priceCHF 502
Atria 6742HAtria 6742H
Atria 6742H Sale priceCHF 396
Mac Duggal 2256 Black GoldMac Duggal 2256 Platinum Gold
Mac Duggal 2256 Sale priceCHF 556 Regular priceCHF 634
Ieena Duggal 49087 In BlackIeena Duggal 49087 In Black
Ieena Duggal 49087 Sale priceCHF 284
Mac Duggal 67878 WineMac Duggal 67878 Wine
Mac Duggal 67878 Sale priceCHF 400
Ladivine CC446 Indigo GreyLadivine CC446 Indigo Grey
Ladivine CC446 Sale priceCHF 161
Primavera 4362Primavera 4362
Primavera 4362 Sale priceCHF 375
SCALA 61402 PurpleSCALA 61402 Purple
SCALA 61402 Sale priceCHF 477
Jessica Angel 2619 CobaltJessica Angel 2619 Cobalt
Jessica Angel 2619 Sale priceCHF 502
Portia and Scarlett PS26265Portia and Scarlett PS26265
Portia and Scarlett PS26265 Sale priceCHF 677
Ieena Duggal 30761 RoseIeena Duggal 30761 Rose
Ieena Duggal 30761 Sale priceCHF 418
Mac Duggal 49716 SageMac Duggal 49716 Sage
Mac Duggal 49716 Sale priceCHF 344

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!