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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL2979 Grey BlueGLS by Gloria GL2979 Grey Blue
GLS by Gloria GL2979 Sale priceCHF 279 Regular priceCHF 557
La Femme 31135 PurpleLa Femme 31135 Purple
La Femme 31135 Sale priceCHF 409
Ladivine T606Ladivine T606
Ladivine T606 Sale priceCHF 122
La Femme 31448 RedLa Femme 31448 Blue
La Femme 31448 Sale priceCHF 311
Ladivine KV1076videowise-widget-6675879ca76a3d00290aacea-7527809024193
Ladivine KV1076 Sale priceCHF 71 Regular priceCHF 135
Elizabeth K GL3550 SageElizabeth K GL3550 Sage
Elizabeth K GL3550 Sale priceCHF 809
Ladivine C148 Dusty MauveLadivine C148 Dusty Mauve
Ladivine C148 Sale priceCHF 138 Regular priceCHF 278
Ladivine CD0175 Rose GoldLadivine CD0175 Mocha Gold
Ladivine CD0175 Sale priceCHF 153
Portia and Scarlett PS26077Portia and Scarlett PS26077
Portia and Scarlett PS26077 Sale priceCHF 752
La Femme - 29021 Embroidered High Slit A-Line Dress In RedLa Femme - 29021 Embroidered High Slit A-Line Dress In Red
La Femme 29021 Sale priceCHF 386
Ladivine CD0230 RedLadivine CD0230 Sage
Ladivine CD0230 Sale priceCHF 219
Andrea and Leo A1028WAndrea and Leo A1028W
Andrea and Leo A1028W Sale priceCHF 565
Alyce Paris 27481 In CharoalAlyce Paris 27481 In Charoal
Alyce Paris 27481 Sale priceCHF 334
Alyce Paris 61722 Diamond White/Light LatteAlyce Paris 61722 Hot Fuchsia
Alyce Paris 61722 Sale priceFrom CHF 304
Jovani 23361 MintJovani 23361 Mint Back
Jovani 23361 Sale priceCHF 975
Elizabeth K GL3528 ChampagneElizabeth K GL3528 Red
Elizabeth K GL3528 Sale priceCHF 757
Portia and Scarlett PS26024Portia and Scarlett PS26024
Portia and Scarlett PS26024 Sale priceCHF 482
GLS by Gloria GL3296 SageGLS by Gloria GL3296 Sage
GLS by Gloria GL3296 Sale priceCHF 220 Regular priceCHF 440
Mac Duggal 20296 In BlackMac Duggal 20296 In Black
Mac Duggal 20296 Sale priceCHF 655
May Queen RQ7968 PinkMay Queen RQ7968 Pink
May Queen RQ7968 Sale priceCHF 179 Regular priceCHF 252
Clarisse 810602 Ivory/Sagevideowise-widget-6675879ca76a3d00290aacea-7496193671361
Clarisse 810602 Sale priceCHF 521
Elizabeth K GL3578 Ivory/GoldElizabeth K GL3578 Ivory/Gold
Elizabeth K GL3578 Sale priceCHF 1,123
Jovani 24000 Purple PinkJovani 24000 Purple Pink
Jovani 24000 Sale priceCHF 878
Ladivine CB102 PurpleLadivine CB102 Blue
Ladivine CB102 Sale priceCHF 177 Regular priceCHF 349
La Femme 32579 Dark_BerryLa Femme 32579 Dark_Berry
La Femme 32579 Sale priceCHF 386
GLS by Gloria GL3218 BlackGLS by Gloria GL3218 Hot Pink
GLS by Gloria GL3218 Sale priceCHF 244
Ladivine CD955 Smoky BlueLadivine CD955 Smoky Blue
Ladivine CD955 Sale priceCHF 340
Sold outAndrea and Leo A1288 White/FlowersAndrea and Leo A1288 White/Flowers
Andrea and Leo A1288 Sale priceCHF 264
Elizabeth K GL3610Elizabeth K GL3610
Elizabeth K GL3610 Sale priceCHF 993
Mac Duggal 20283 In BlueMac Duggal 20283 In Blue
Mac Duggal 20283 Sale priceCHF 490
Mac Duggal - 20389 Feather Adorned Gown In WhiteMac Duggal 20389 Sale
Mac Duggal 20389 Sale Sale priceCHF 335 Regular priceCHF 681
 GLS by Gloria GL3156 Smokey Blue GLS by Gloria GL3156 Smokey Blue
GLS by Gloria GL3156 Sale priceCHF 272 Regular priceCHF 544
La Femme 31205 BlackLa Femme 31205 Black
La Femme 31205 Sale priceCHF 327
GLS by Gloria GL3278 Light YellowGLS by Gloria GL3278 Light Yellow
GLS by Gloria GL3278 Sale priceCHF 363 Regular priceCHF 726
GLS by Gloria GL3206 LilacGLS by Gloria GL3206 Lilac
GLS by Gloria GL3206 Sale priceCHF 222 Regular priceCHF 443
Mac Duggal 11827 White MultiMac Duggal 11827 White Multi
Mac Duggal 11827 Sale priceCHF 655
Mac Duggal - 20221I Deep V Neck A-Line Gown In PurpleMac Duggal - 20221I Deep V Neck A-Line Gown In Purple
Mac Duggal 20221I Sale priceCHF 340
SCALA 60268 Banana SilverSCALA 60268 Banana Silver
SCALA 60268 Sale priceCHF 384
Clarisse 810635 Bubblegum PinkClarisse 810635 Bubblegum Pink
Clarisse 810635 Sale priceCHF 371
La Femme 29071 In BlueLa Femme 29071 In Blue
La Femme 29071 Sale priceCHF 458
La Femme 31393 GreenLa Femme 31393 Green
La Femme 31393 Sale priceCHF 409
Mac Duggal 67861 BlackMac Duggal 67861 Black
Mac Duggal 67861 Sale priceCHF 491
May Queen MQ2013 GreenMay Queen MQ2013 Red
May Queen MQ2013 Sale priceCHF 106
GLS by Gloria GL3443 FuchsiaGLS by Gloria GL3443 Fuchsia
GLS by Gloria GL3443 Sale priceCHF 161 Regular priceCHF 321
Elizabeth K GL1821 TurquioseElizabeth K GL1821 Turquiose
Elizabeth K GL1821 Sale priceCHF 435 Regular priceCHF 870
Clarisse 810458 FlamingoClarisse 810458 Flamingo
Clarisse 810458 Sale priceCHF 502
Elizabeth K GL3596 BlushElizabeth K GL3596 Blush
Elizabeth K GL3596 Sale priceCHF 862
Ladivine CD0191C Smoky BlueLadivine CD0191C Champagne
Ladivine CD0191C Sale priceCHF 138 Regular priceCHF 297

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!