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Long Formal Party Dresses & Formal Prom Gowns

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SCALA 60297 EmeraldSCALA 60297 Emerald
SCALA 60297 Sale priceCHF 377
La Femme 32670 BlackLa Femme 32670 Black
La Femme 32670 Sale priceCHF 310
GLS by Gloria GL3333 FuchsiaGLS by Gloria GL3333 Fuchsia
GLS by Gloria GL3333 Sale priceCHF 241 Regular priceCHF 481
Clarisse 810701 Light PurpleClarisse 810701 Light Purple
Clarisse 810701 Sale priceCHF 353
GLS by Gloria GL3117 BlackGLS by Gloria GL3117 Black
GLS by Gloria GL3117 Sale priceCHF 300 Regular priceCHF 600
Sold outMac Duggal Cocktail - 5531D Halter Beaded Dress In BlackMac Duggal Cocktail - 5531D Halter Beaded Dress In Black
Mac Duggal 5531 Sale priceCHF 243 Regular priceCHF 339
Jessica Angel 2401 BubblegumJessica Angel 2401 Bubblegum
Jessica Angel 2401 Sale priceCHF 454
Mac Duggal 68465 GoldMac Duggal 68465 Gold
Mac Duggal 68465 Sale priceCHF 267 Regular priceCHF 527
SCALA 61307 RedSCALA 61307 Red
SCALA 61307 Sale priceCHF 350
Clarisse 810447 PurpleClarisse 810447 Pink
Clarisse 810447 Sale priceCHF 326 Regular priceCHF 432
La Femme - 28029 Floral Lace Illusion Bateau Dress In BlueLa Femme - 28029 Floral Lace Illusion Bateau Dress In Blue
La Femme 28029 Sale priceCHF 261 Regular priceCHF 339
 GLS by Gloria GL3134 LavenderGLS by Gloria GL3134 Lavender
GLS by Gloria GL3134 Sale priceCHF 280 Regular priceCHF 559
Dancing Queen 4332Dancing Queen 4332
Dancing Queen 4332 Sale priceCHF 222
Portia and Scarlett PS25307 PinkPortia and Scarlett PS25307
Portia and Scarlett PS25307 Sale priceCHF 603
SCALA 61200 Black/SapphireSCALA 61200 Black/Sapphire
SCALA 61200 Sale priceCHF 484
Mac Duggal 20747 Black IvoryMac Duggal 20747 Black Ivory
Mac Duggal 20747 Sale priceCHF 572
Jessica Angel 2458 RedJessica Angel 2458 Red
Jessica Angel 2458 Sale priceCHF 509
SCALA 61345 RedSCALA 61345 Red
SCALA 61345 Sale priceCHF 406
Elizabeth K GL3532 Off WhiteElizabeth K GL3532 Off White
Elizabeth K GL3532 Sale priceCHF 1,017
Atria 6826HAtria 6826H
Atria 6826H Sale priceCHF 412
Portia and Scarlett PS25183 Black SilverPortia and Scarlett PS25183 Black Silver
Portia and Scarlett PS25183 Sale priceCHF 595
Jovani 22286 in WhiteJovani 22286 in White
Jovani 22286 Sale priceCHF 647
GLS by Gloria GL3128 Baby BlueGLS by Gloria GL3128 Baby Blue
GLS by Gloria GL3128 Sale priceCHF 239 Regular priceCHF 478
Ieena Duggal 554021 RaspberryIeena Duggal 554021 Sapphire
Ieena Duggal 554021 Sale priceCHF 182 Regular priceCHF 339
Portia and Scarlett PS25289 Hot Pink SilverPortia and Scarlett PS25289
Portia and Scarlett PS25289 Sale priceCHF 534
May Queen MQ1953 BlackMay Queen MQ1953 Black
May Queen MQ1953 Sale priceCHF 165
Jessica Angel 2521 Sky BlueJessica Angel 2521 Sky Blue
Jessica Angel 2521 Sale priceCHF 399
Mac Duggal - 10839 Beaded Jewel Neck Gown In BlueMac Duggal - 10839 Beaded Jewel Neck Gown In Blue
Mac Duggal 10839 Sale priceCHF 404
Clarisse 811185 Light BlueClarisse 811185 Light Blue
Clarisse 811185 Sale priceCHF 454
La Femme 32811 Light PeriwinkleLa Femme 32811 Sage
La Femme 32811 Sale priceCHF 386
Jovani 22348 BlueJovani 22348 Blue
Jovani 22348 Sale priceCHF 700
La Femme 32683 BlackLa Femme 32683 Black
La Femme 32683 Sale priceCHF 294
Mac Duggal 55694 In BlackMac Duggal 55694 In Black
Mac Duggal 55694 Sale priceCHF 407
Ladivine CD0196 In NeutralLadivine CD0196 In Neutral
Ladivine CD0196 Sale priceCHF 99 Regular priceCHF 212
Mac Duggal 5509 NauveMac Duggal 5509
Mac Duggal 5509 Sale priceCHF 325
Portia and Scarlett PS25262 Purple PinkPortia and Scarlett PS25262 Purple Pink
Portia and Scarlett PS25262 Sale priceCHF 435
SCALA 60252 BlackSCALA 60252 Black
SCALA 60252 Sale priceCHF 333
Portia and Scarlett PS26034Portia and Scarlett PS26034
Portia and Scarlett PS26034 Sale priceCHF 634
La Femme 32886 Light BlueLa Femme 32886 Light Blue
La Femme 32886 Sale priceCHF 386
GLS by Gloria GL3219 TurquoiseGLS by Gloria GL3219 Turquoise
GLS by Gloria GL3219 Sale priceCHF 200 Regular priceCHF 399
Atria 6850HAtria 6850H
Atria 6850H Sale priceCHF 402
Jovani 24044 GreenJovani 24044 Green
Jovani 24044 Sale priceCHF 700 Regular priceCHF 720
Andrea and Leo A1294 Paris BlueAndrea and Leo A1294 Paris Blue
Andrea and Leo A1294 Sale priceCHF 345
May Queen MQ2133 RoyalMay Queen MQ2133 Royal
May Queen MQ2133 Sale priceCHF 154 Regular priceCHF 287
Jessica Angel 2540 FuchsiaJessica Angel 2540 Fuchsia
Jessica Angel 2540 Sale priceCHF 787
Ladivine HT101 In MochaLadivine HT101 In Mocha
Ladivine HT101 Sale priceCHF 157 Regular priceCHF 362
Clarisse 810983 Shimmer BlackClarisse 810983 Shimmer Black
Clarisse 810983 Sale priceCHF 464
Ieena Duggal 49539 In PurpleIeena Duggal 49539 In Purple
Ieena Duggal 49539 Sale priceCHF 352 Regular priceCHF 599

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!