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Long Formal Party Dresses & Formal Prom Gowns

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May Queen MQ1962 BlackMay Queen MQ1962 Black
May Queen MQ1962 Sale priceCHF 224
SCALA 60388SCALA 60388
SCALA 60388 Sale priceCHF 384
La Femme 33054 Dark BerryLa Femme 33054 Dark Berry
La Femme 33054 Sale priceCHF 385
May Queen MQ2125 ChampagneMay Queen MQ2125 White
May Queen MQ2125 Sale priceCHF 179
Clarisse 811145 BlackClarisse 811145 Black
Clarisse 811145 Sale priceCHF 435
Faviana S10850 BlackFaviana S10850 Black
Faviana S10850 Sale priceCHF 408
Portia and Scarlett PS26074Portia and Scarlett PS26074
Portia and Scarlett PS26074 Sale priceCHF 516
Portia and Scarlett PS25226 PinkPortia and Scarlett PS25226 Pink
Portia and Scarlett PS25226 Sale priceCHF 534
La Femme - 28056 V Neck Jersey Fitted Dress In BrownLa Femme - 28056 V Neck Jersey Fitted Dress In Blue
La Femme 28056 Sale priceCHF 327 Regular priceCHF 388
La Femme 32594 BlackLa Femme 32594 Black
La Femme 32594 Sale priceCHF 385
Ieena Duggal 55829 Black MultiIeena Duggal 55829 Black Multi
Ieena Duggal 55829 Sale priceCHF 326
La Femme - 30536 Ruched V-Neck Ballgown In PurpleLa Femme - 30536 Ruched V-Neck Ballgown In Purple
La Femme 30536 Sale priceCHF 327
Ladivine CD787 EmeraldLadivine CD787 Black
Ladivine CD787 Sale priceCHF 99 Regular priceCHF 191
Ladivine 7488 Smoky BlueLadivine 7488 Mahogany
Ladivine 7488 Sale priceCHF 79 Regular priceCHF 186
Elizabeth K GL2802Elizabeth K GL2802
Elizabeth K GL2802 Sale priceCHF 338 Regular priceCHF 675
Ladivine CD940 BlueLadivine CD940 Platinum
Ladivine CD940 Sale priceCHF 197 Regular priceCHF 423
Mac Duggal 93939Mac Duggal 93939
Mac Duggal 93939 Sale priceCHF 654
Andrea and Leo A1113 GreeneryAndrea and Leo A1113 Greenery
Andrea and Leo A1113 Sale priceCHF 354 Regular priceCHF 626
Alyce Paris 61603 Santorini BlueAlyce Paris 61603 Santorini Blue
Alyce Paris 61603 Sale priceCHF 316
May Queen RQ7932 PurpleMay Queen RQ7932 Purple
May Queen RQ7932 Sale priceCHF 226
La Femme - 27951 Embroidered V Neck Fitted Dress In PinkLa Femme - 27951 Embroidered V Neck Fitted Dress In Blue
La Femme 27951 Sale priceCHF 491 Regular priceCHF 554
Faviana S10400 Deep MauveFaviana S10400 Deep Mauve
Faviana S10400 Sale priceCHF 310
May Queen MQ2141 Dusty BlueMay Queen MQ2141 Dusty Blue
May Queen MQ2141 Sale priceCHF 221
Jovani 23362 in BlueJovani 23362 in Blue
Jovani 23362 Sale priceCHF 1,327
Elizabeth K GL3520 LavenderElizabeth K GL3520 Lavender
Elizabeth K GL3520 Sale priceCHF 1,043
La Femme 32891 BlackLa Femme 32891 Black
La Femme 32891 Sale priceCHF 385
Faviana 11237 RedFaviana 11237 Red
Faviana 11237 Sale priceCHF 310
Sold outFaviana 11411Faviana 11411
Faviana 11411 Sale priceCHF 523
SCALA 61349 BlackSCALA 61349 Black
SCALA 61349 Sale priceCHF 451
Mac Duggal 5759Mac Duggal 5759
Mac Duggal 5759 Sale priceCHF 407
Faviana 9532 BlueFaviana 9532 Blue
Faviana 9532 Sale priceCHF 402
GLS by Gloria GL3138 BlackGLS by Gloria GL3138 Black
GLS by Gloria GL3138 Sale priceCHF 280 Regular priceCHF 559
Jovani 22912 GreyJovani 22912 Grey
Jovani 22912 Sale priceCHF 699 Regular priceCHF 720
Jessica Angel 2419 RoyalJessica Angel 2419 Royal
Jessica Angel 2419 Sale priceCHF 417
Dancing Queen 4301Dancing Queen 4301
Dancing Queen 4301 Sale priceCHF 134
Elizabeth K GL3147 GreenElizabeth K GL3147 Green
Elizabeth K GL3147 Sale priceCHF 200 Regular priceCHF 399
Ladivine CD785 GoldLadivine CD785 Gold
Ladivine CD785 Sale priceCHF 398
SCALA 48949  CalypsoSCALA 48949 Calypso
SCALA 48949 A Sale priceCHF 317
La Femme 32703 Light PeriwinkleLa Femme 32703 Light Periwinkle
La Femme 32703 Sale priceCHF 491
Terani Couture 2011M2160 In PurpleTerani Couture 2011M2160 In Purple
Terani Couture 2011M2160 Sale priceCHF 493
Mac Duggal 20430 BlackMac Duggal 20430 Black
Mac Duggal 20430 Sale priceCHF 420 Regular priceCHF 765
SCALA 60222 Turquoise IvorySCALA 60222 B
SCALA 60222 B Sale priceCHF 400
Portia and Scarlett PS25272 BluePortia and Scarlett PS25272 Blue
Portia and Scarlett PS25272 Sale priceCHF 534
Clarisse 810824 Dark TealClarisse 810824 Dark Teal
Clarisse 810824 Sale priceCHF 297
May Queen RQ8162 ChampagneMay Queen RQ8162 Champagne
May Queen RQ8162 Sale priceCHF 295
Elizabeth K GL3586 Rose GoldElizabeth K GL3586 Rose Gold
Elizabeth K GL3586 Sale priceCHF 285
Dancing Queen 4316Dancing Queen 4316
Dancing Queen 4316 Sale priceCHF 224
Ladivine CC4020 SiennaLadivine CC4020 - Sienna
Ladivine CC4020 Sale priceCHF 343

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!