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Long Formal Party Dresses & Formal Prom Gowns

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Andrea and Leo A1377Andrea and Leo A1377
Andrea and Leo A1377 Sale priceCHF 309
Jessica Angel 972 Neon PinkJessica Angel 972 Neon Pink
Jessica Angel 972 Sale priceCHF 447
SCALA 60392SCALA 60392
SCALA 60392 Sale priceCHF 411
Ladivine CD276
Ladivine CD276 Sale priceCHF 113 Regular priceCHF 261
Faviana 11003Faviana 11003
Faviana 11003 Sale priceCHF 386
Elizabeth K GL1544Elizabeth K GL1544
Elizabeth K GL1544 Sale priceCHF 267 Regular priceCHF 533
Clarisse 811338 BlackClarisse 811338 Black
Clarisse 811338 Sale priceCHF 458
Faviana 11040Faviana 11040
Faviana 11040 Sale priceCHF 306
SCALA 60100 OrangeSCALA 60100 Orange
SCALA 60100 C Sale priceCHF 355
Andrea and Leo A1435Andrea and Leo A1435
Andrea and Leo A1435 Sale priceCHF 618
Andrea and Leo A1206 GreenaryAndrea and Leo A1206 Lavender
Andrea and Leo A1206 Sale priceCHF 192 Regular priceCHF 411
Clarisse 811289 BlackClarisse 811289 Black
Clarisse 811289 Sale priceCHF 352
Clarisse 810701 Light PurpleClarisse 810701 Light Purple
Clarisse 810701 Sale priceCHF 334
Andrea and Leo A1248 SageAndrea and Leo A1248 Sage
Andrea and Leo A1248 Sale priceCHF 280
Clarisse 810816 MintClarisse 810816 Blush
Clarisse 810816 Sale priceCHF 398
Elizabeth K GL3568 BlackElizabeth K GL3568 Black
Elizabeth K GL3568 Sale priceCHF 180
Elizabeth K GL3620 Off WhiteElizabeth K GL3620 Navy
Elizabeth K GL3620 Sale priceCHF 180
Jovani 22544 BlackJovani 22544 Black
Jovani 22544 Sale priceCHF 655
Portia and Scarlett PS25301Portia and Scarlett PS25301 Blush
Portia and Scarlett PS25301 Sale priceCHF 504
Portia and Scarlett PS25227Portia and Scarlett PS25227
Portia and Scarlett PS25227 Sale priceCHF 511
Atria 6809HAtria 6809H
Atria 6809H Sale priceCHF 390
Ieena Duggal 26581 In PinkIeena Duggal 26581 In Pink
Ieena Duggal 26581 Sale Sale priceCHF 173 Regular priceCHF 264
Portia and Scarlett PS25281 CobaltPortia and Scarlett PS25281 Cobalt
Portia and Scarlett PS25281 Sale priceCHF 338
Alyce Paris 61856 Ice LilacAlyce Paris 61856 Ice Lilac
Alyce Paris 61856 Sale priceCHF 291
GLS by Gloria GL3322 Hot PinkGLS by Gloria GL3322 Hot Pink
GLS by Gloria GL3322 Sale priceCHF 157 Regular priceCHF 313
Portia and Scarlett PS25282 RedPortia and Scarlett PS25282 Red
Portia and Scarlett PS25282 Sale priceCHF 301
Ladivine CM360 Smoky BlueLadivine CM360 Smoky Blue
Ladivine CM360 Sale priceCHF 228
Jovani 23176 MintJovani 23176 Mint
Jovani 23176 Sale priceCHF 655 Regular priceCHF 677
Portia and Scarlett PS25277 FuchsiaPortia and Scarlett PS25277 Black
Portia and Scarlett PS25277 Sale priceCHF 526
Ieena Duggal 11591 TealIeena Duggal 11591 Teal
Ieena Duggal 11591 Sale priceCHF 414
Clarisse 810438 Forest GreenClarisse 810438 Forest Green
Clarisse 810438 Sale priceCHF 281
Ladivine CC3700 RosegoldLadivine CC3700 Rosegold
Ladivine CC3700 Sale priceCHF 239
La Femme 31393 GreenLa Femme 31393 Green
La Femme 31393 Sale priceCHF 403
LaFemme 32863 NavyLaFemme 32863 Navy
La Femme 32863 Sale priceCHF 257
La Femme 32806 SilverLa Femme 32806 Teal
La Femme 32806 Sale priceCHF 290
A woman in a strapless, beaded, gold mermaid gown with a sweetheart neckline, visible boning, and a midriff cutout. The gown has an open back with crisscross detailing and a horsehair hem.LaDivine J871-Black Gold
Ladivine J871 Sale priceCHF 213
Jessica Angel 2412 Dark RedJessica Angel 2412 Dark Red
Jessica Angel 2412 Sale priceCHF 539
Ieena Duggal 26598 BlackIeena Duggal 26598 Black
Ieena Duggal 26598 Sale priceCHF 320
Ladivine 7451WLadivine 7451W
Ladivine 7451W Sale priceCHF 154
Portia and Scarlett PS25339 BlackPortia and Scarlett PS25339 Black
Portia and Scarlett PS25339 Sale priceCHF 263
PS25151-Lilac PinkPS25151-_Blue_BK
Portia and Scarlett PS25151 Sale priceCHF 329
Faviana S10855 NeutralFaviana S10855 Neutral
Faviana S10855 Sale priceCHF 386
Portia and Scarlett PS26235Portia and Scarlett PS26235
Portia and Scarlett PS26235 Sale priceCHF 787
La Femme 32930 IvoryLa Femme 32930 Ivory
La Femme 32930 Sale priceCHF 459
Alyce Paris 61957 ChampagneAlyce Paris 61957 Champagne
Alyce Paris 61957 Sale priceCHF 383
Alyce Paris 61707 BlackAlyce Paris 61707 Black
Alyce Paris 61707 Sale priceCHF 276
Primavera 4156Primavera 4156
Primavera 4156 Sale priceCHF 438
La Femme 32893 BlackLa Femme 32893 Black
La Femme 32893 Sale priceCHF 380

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!