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Long Formal Party Dresses & Formal Prom Gowns

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Leena Duggal 11639 PlumLeena Duggal 11639 Plum
leena Duggal 11639 Sale priceCHF 433 Regular priceCHF 997
La Femme 32811 Light PeriwinkleLa Femme 32811 Sage
La Femme 32811 Sale priceCHF 380
Elizabeth K Bridal GL1917Elizabeth K Bridal GL1917
Elizabeth K Bridal GL1917 Sale priceCHF 271 Regular priceCHF 541
Jovani 23951 Pink MultiJovani 23951 Pink Multi
Jovani 23951 Sale priceCHF 786
Ladivine CB160Ladivine CB160
Ladivine CB160 Sale priceCHF 366
Terani Couture 252M5338Terani Couture 252M5338
Terani Couture 252M5338 Sale priceCHF 539
La Femme 32703 Light PeriwinkleLa Femme 32703 Light Periwinkle
La Femme 32703 Sale priceCHF 484
La Femme - 29989 Embroidered Quarter-Length Sleeves Long Dress In SilverLa Femme - 29989 Embroidered Quarter-Length Sleeves Long Dress In Silver
La Femme 29989 Sale priceCHF 484 Regular priceCHF 551
Alyce Paris 61574 PineAlyce Paris 61574 Pine
Alyce Paris 61574 Sale priceCHF 407
La Femme 32957 Cloud BlueLa Femme 32957 Cloud Blue
La Femme 32957 Sale priceCHF 337
Mac Duggal 20376 In GrayMac Duggal 20376 In Gray
Mac Duggal 20376 Sale priceCHF 188 Regular priceCHF 392
Mac Duggal 5625Mac Duggal 5625
Mac Duggal 5625 Sale priceCHF 482
Alyce Paris 61499 RoyalAlyce Paris 61499 Royal
Alyce Paris 61499 Sale priceCHF 259
Ieena Duggal 27534 RedIeena Duggal 27534 Red
Ieena Duggal 27534 Sale priceCHF 344
Ieena Duggal 27350 WineIeena Duggal 27350 Wine
Ieena Duggal 27350 Sale priceCHF 168 Regular priceCHF 334
La Femme 32793 BlushLa Femme 32793 Blush
La Femme 32793 Sale priceCHF 353
Ladivine KV1130Ladivine KV1130
Ladivine KV1130 Sale priceCHF 437
Ieena Duggal 11311 BlackIeena Duggal 11311 Black
Ieena Duggal 11311 Sale priceCHF 482
Faviana S10844 BlackFaviana S10844 Black
Faviana S10844 Sale priceCHF 274
Ladivine CDS555Ladivine CDS555
Ladivine CDS555 Sale priceCHF 341
Mac Duggal 5124 MochaMac Duggal 5124 Mocha
Mac Duggal 5124 Sale priceCHF 520 Regular priceCHF 1,281
Portia and Scarlett PS25289 Hot Pink SilverPortia and Scarlett PS25289
Portia and Scarlett PS25289 Sale priceCHF 526
Portia and Scarlett PS25257 SilverPortia and Scarlett PS25257 Silver
Portia and Scarlett PS25257 Sale priceCHF 526
La Femme - 30755 Tulle Embroidered Sweetheart Dress In PinkLa Femme - 30755 Tulle Embroidered Sweetheart Dress In Pink
La Femme 30755 Sale priceCHF 322
Terani Couture 252E5546Terani Couture 252E5546
Terani Couture 252E5546 Sale priceCHF 577
Portia and Scarlett PS26410CPortia and Scarlett PS26410C
Portia and Scarlett PS26410C Sale priceCHF 683
Ieena Duggal 70244 BlackIeena Duggal 70244 Black
Ieena Duggal 70244 Sale priceCHF 174
Elizabeth K GL3147 GreenElizabeth K GL3147 Green
Elizabeth K GL3147 Sale priceCHF 197 Regular priceCHF 393
Sold outLadivine CD383 RedLadivine CD383 Red
Ladivine CD383 Sale priceCHF 137
Jovani 24056 Gray MultiJovani 24056 Gray Multi Back
Jovani 24056 Sale priceCHF 960
Atria 6860HAtria 6860H
Atria 6860H Sale priceCHF 413
Mac Duggal 67782 BlackMac Duggal 67782 Black
Mac Duggal 67782 Sale priceCHF 563
Ladivine J882 BlackLadivine J882 Black
Ladivine J882 Sale priceCHF 176 Regular priceCHF 448
Elizabeth K GL3549 Baby PinkElizabeth K GL3549 Baby Pink
Elizabeth K GL3549 Sale priceCHF 900
Alyce Paris 61927 BubblegumAlyce Paris 61927 Bubblegum
Alyce Paris 61927 Sale priceCHF 485
La Femme - 28036 Bateau Neck Floral Lace Over Tulle Long Formal Dress In BurgundyLa Femme - 28036 Bateau Neck Floral Lace Over Tulle Long Formal Dress In Green
La Femme 28036 Sale priceCHF 435 Regular priceCHF 497
SCALA 60514 IvorySCALA 60514 Ivory
SCALA 60514 Sale priceCHF 427
Mac Duggal 68465 GoldMac Duggal 68465 Gold
Mac Duggal 68465 Sale priceCHF 414
Ladivine CK2401 NavyLadivine CK2401 Navy
Ladivine CK2401 Sale priceCHF 195
Faviana 11066 Pacific BlueFaviana 11066 Pacific Blue
Faviana 11066 Sale priceCHF 290
SCALA 61339 RedSCALA 61339 Red
SCALA 61339 Sale priceCHF 345
SCALA 61314 Burnt OrangeSCALA 61314 Burnt Orange
SCALA 61314 Sale priceCHF 378
La Femme - 27842 Scoop Neck Lace Fitted Dress In SilverLa Femme - 27842 Scoop Neck Lace Fitted Dress In Silver
La Femme 27842 Sale priceCHF 306 Regular priceCHF 497
SCALA 60288 MidnightSCALA 60288 Midnight
SCALA 60288 Sale priceCHF 470
Alyce Paris 61588 Electric LimeAlyce Paris 61588 Electric Lime
Alyce Paris 61588 Sale priceCHF 302
Clarisse 811244 BlackClarisse 811244 Black
Clarisse 811244 Sale priceCHF 352
Clarisse 810996 Iridescent WhiteClarisse 810996 Iridescent White
Clarisse 810996 Sale priceCHF 325
SCALA 60263 Bubblegum PearlSCALA 60263 Bubblegum Pearl
SCALA 60263 Sale priceCHF 437

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!