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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3154 MagentaGLS by Gloria GL3154 Magenta
GLS by Gloria GL3154 Sale priceCHF 281 Regular priceCHF 562
Jessica Angel 2375 FuchsiaJessica Angel 2375 Fuchsia
Jessica Angel 2375 Sale priceCHF 509
Ladivine CJ937 MochaLadivine CJ937 Dusty Lavender
Ladivine CJ937 Sale priceCHF 219
Mac Duggal 48803 BlackMac Duggal 48803 Black
Mac Duggal 48803 Sale priceCHF 761 Regular priceCHF 1,074
Mac Duggal 70264 SaffronMac Duggal 70264 Saffron
Mac Duggal 70264 Sale priceCHF 178 Regular priceCHF 398
Portia and Scarlett PS25197 Blush White ABPortia and Scarlett PS25197 Blush White AB
Portia and Scarlett PS25197 Sale priceCHF 588
La Femme 32845 BlackLa Femme 32845 Black
La Femme 32845 Sale priceCHF 310
Alyce Paris 61862 LilacAlyce Paris 61862 Lilac
Alyce Paris 61862 Sale priceCHF 323 Regular priceCHF 369
Ladivine T613Ladivine T613
Ladivine T613 Sale priceCHF 118
Mac Duggal 20307 In SilverMac Duggal 20307 In Silver
Mac Duggal 20307 Sale priceCHF 357 Regular priceCHF 680
Clarisse 810538 Forest GreenClarisse 810538 Forest Green
Clarisse 810538 Sale priceCHF 315
Andrea and Leo A1260 SageAndrea and Leo A1260 Sage
Andrea and Leo A1260 Sale priceCHF 195 Regular priceCHF 443
Jessica Angel 2389 RedJessica Angel 2389
Jessica Angel 2389 Sale priceCHF 454
May Queen LK262 Dusty RoseMay Queen LK262 Dusty Rose
May Queen LK262 Sale priceCHF 775
Portia and Scarlett PS26250Portia and Scarlett PS26250
Portia and Scarlett PS26250 Sale priceCHF 505
SCALA 61315 Black/SilverSCALA 61315 Black/Silver
SCALA 61315 Sale priceCHF 434
Elizabeth K Bridal GL1534Elizabeth K Bridal GL1534
Elizabeth K Bridal GL1534 Sale priceFrom CHF 329
GLS by Gloria GL3160 BlackGLS by Gloria GL3160 Black
GLS by Gloria GL3160 Sale priceCHF 300 Regular priceCHF 600
Elizabeth K GL3535 Off WhiteElizabeth K GL3535 Off White
Elizabeth K GL3535 Sale priceCHF 991
Mac Duggal 93959 Rose GoldMac Duggal 93959 Rose Gold
Mac Duggal 93959 Sale priceCHF 409
La Femme 32382 EmeraldLa Femme 32382 Emerald
La Femme 32382 Sale priceCHF 327
SCALA 61335 OrangeSCALA 61335 Orange
SCALA 61335 Sale priceCHF 350
Jessica Angel 2503 RedJessica Angel 2503 Red
Jessica Angel 2503 Sale priceCHF 454
Ieena Duggal 55898 RedIeena Duggal 55898 Red
Ieena Duggal 55898 Sale priceCHF 409
Portia and Scarlett PS26006Portia and Scarlett PS26006
Portia and Scarlett PS26006 Sale priceCHF 481
Portia and Scarlett PS26286Portia and Scarlett PS26286
Portia and Scarlett PS26286 Sale priceCHF 481
Ieena Duggal 26694 YellowIeena Duggal 26694 Yellow
Ieena Duggal 26694 Sale Sale priceCHF 367 Regular priceCHF 515
Mac Duggal 9135 BlackMac Duggal 9135 Black
Mac Duggal 9135 Sale priceCHF 490
Clarisse 811107 Light GoldClarisse 811107 Light Gold
Clarisse 811107 Sale priceCHF 472
La Femme - 29316 Strappy Back V Neck Fitted Dress In RedLa Femme - 29316 Strappy Back V Neck Fitted Dress In Blue
La Femme 29316 Sale priceCHF 77
Atria 6841HAtria 6841H
Atria 6841H Sale priceCHF 412
Faviana S10824 PinkFaviana S10824 Pink
Faviana S10824 Sale priceCHF 278
Mac Duggal 20714 BlackMac Duggal 20714 Black
Mac Duggal 20714 Sale priceCHF 490
La Femme 32829 BlackLa Femme 32829 Black
La Femme 32829 Sale priceCHF 294
Ladivine B704 SilverLadivine B704 Silver
Ladivine B704 Sale priceCHF 177 Regular priceCHF 345
SCALA 60267 BlackSCALA 60267 Black
SCALA 60267 Sale priceCHF 434
Faviana 11051 AquaFaviana 11051 Aqua
Faviana 11051 Sale priceCHF 278
Elizabeth K GL3546 Lilac/BlushElizabeth K GL3546 Lilac/Blush
Elizabeth K GL3546 Sale priceCHF 835
Atria 6855HAtria 6855H
Atria 6855H Sale priceCHF 396
Sold outMac Duggal 2204 Black MultiMac Duggal 2204 Black Multi
Mac Duggal 2204 Sale priceCHF 490
Elizabeth K GL3600 Rose GoldElizabeth K GL3600 Rose Gold
Elizabeth K GL3600 Sale priceCHF 154
Elizabeth K GL1944 Baby BlueElizabeth K GL1944 Baby Blue
Elizabeth K GL1944 Sale priceCHF 440 Regular priceCHF 878
May Queen RQ7964 BlackMay Queen RQ7964 Black
May Queen RQ7964 Sale priceCHF 157 Regular priceCHF 218
Mac Duggal 11627 BlackMac Duggal 11627 Black
Mac Duggal 11627 Sale priceCHF 983
Ladivine CD0240 ChampagneLadivine CD0240 Champagne
Ladivine CD0240 Sale priceCHF 263
SCALA 48787 AntiqueSCALA 48787 Antique
SCALA 48787 A Sale priceCHF 444
Ladivine CB157 BlackLadivine CB157 Black
Ladivine CB157 Sale priceCHF 305
La Femme 33031 Light BlueLa Femme 33031 Light Blue
La Femme 33031 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!