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Long Formal Party Dresses & Formal Prom Gowns

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Ieena Duggal 261941 BronzeIeena Duggal 261941 Bronze
Ieena Duggal 261941 Sale priceCHF 202
La Femme 32828 Dark TealLa Femme 32828 Purple
La Femme 32828 Sale priceCHF 257
La Femme 32781 BlackLa Femme 32781 Black
La Femme 32781 Sale priceCHF 451
GLS by Gloria GL3012 In PinkGLS by Gloria GL3012 In White
GLS by Gloria GL3012 Sale priceCHF 277 Regular priceCHF 554
GLS by Gloria GL3459 FuchsiaGLS by Gloria GL3459 Smoky Blue
GLS by Gloria GL3459 Sale priceCHF 160
SCALA 61341 BurgundySCALA 61341 Burgundy
SCALA 61341 Sale priceCHF 345
Portia and Scarlett PS25608E ChampagnePortia and Scarlett PS25608E Champagne
Portia and Scarlett PS25608E Sale priceCHF 741
Atria 6850HAtria 6850H
Atria 6850H Sale priceCHF 396
GLS by Gloria GL3155 - Thin Strapped Bedazzled Slit Gown Special Occasion Dress XS / YellowGLS by Gloria GL3155 - Thin Strapped Bedazzled Slit Gown Special Occasion Dress
GLS by Gloria GL3155 Sale priceCHF 309 Regular priceCHF 617
Ladivine CC487 Smoky BlueLadivine CC487
Ladivine CC487 Sale priceCHF 200
Alyce Paris 61612 OrchidAlyce Paris 61612 Orchid
Alyce Paris 61612 Sale priceFrom CHF 260
Clarisse 810733 Powder BlueClarisse 810733 Powder Blue
Clarisse 810733 Sale priceCHF 239
Mac Duggal 68223 PinkMac Duggal A68223
Mac Duggal A68223 Sale priceCHF 270 Regular priceCHF 398
GLS by Gloria GL3229 Hot PinkGLS by Gloria GL3229 Hot Pink
GLS by Gloria GL3229 Sale priceCHF 219 Regular priceCHF 436
Ellie Wilde EW37045Ellie Wilde EW37045
Ellie Wilde EW37045 Sale priceCHF 463
Ladivine CD790C - BurgundyLadivine CD790C - Smoky Blue
Ladivine CD790C Sale priceCHF 120
Portia and Scarlett PS25187Portia and Scarlett PS25187
Portia and Scarlett PS25187 Sale priceCHF 504
Ieena Duggal 55661 In Black and MultiIeena Duggal 55661 In Black and Multi
Ieena Duggal 55661 Sale priceCHF 334
Clarisse 810602 Ivory/Sagevideowise-widget-6675879ca76a3d00290aacea-7496193671361
Clarisse 810602 Sale priceCHF 493
Sold outMac Duggal 20428 CinnamonMac Duggal 20428 Cinnamon
Mac Duggal 20428 Sale priceCHF 645
SCALA 48557 Black GoldSCALA 48557 Black Gold
SCALA 48557 A Sale priceCHF 312
Mac Duggal Cocktail - 30750D Pleated Glitter A-Line Dress In BlackMac Duggal Cocktail - 30750D Pleated Glitter A-Line Dress In Black
Mac Duggal 30750 Sale Sale priceCHF 209 Regular priceCHF 418
La Femme 32891 BlackLa Femme 32891 Black
La Femme 32891 Sale priceCHF 380
La Femme 32830 IndigoLa Femme 32830 Purple
La Femme 32830 Sale priceCHF 241
Portia and Scarlett PS26299Portia and Scarlett PS26299
Portia and Scarlett PS26299 Sale priceCHF 486
GLS by Gloria GL3116 PurpleGLS by Gloria GL3116 Purple
GLS by Gloria GL3116 Sale priceCHF 296 Regular priceCHF 591
Ieena Duggal 68347 OceanIeena Duggal 68347 Ocean
Ieena Duggal 68347 Sale priceCHF 273
Ladivine CC4020 SiennaLadivine CC4020 - Sienna
Ladivine CC4020 Sale priceCHF 299
Elizabeth K GL1914 ChampangeElizabeth K GL1914 Champange
Elizabeth K GL1914 Sale priceCHF 694
Ieena Duggal 55708 In BrownIeena Duggal 55708 In Brown
Ieena Duggal 55708 Sale Sale priceCHF 180 Regular priceCHF 334
SCALA 60904 RoyalSCALA 60904 Royal
SCALA 60904 Sale priceCHF 345
Alyce Paris 61398Alyce Paris 61398
Alyce Paris 61398 Sale priceCHF 389
SCALA 61309 Dolphin SilverSCALA 61309 Dolphin Silver
SCALA 61309 Sale priceCHF 378
Portia and Scarlett PS26117Portia and Scarlett PS26117
Portia and Scarlett PS26117 Sale priceCHF 729
Alyce Paris 61770 Black/SilverAlyce Paris 61770 Black/Silver
Alyce Paris 61770 Sale priceCHF 425
Jessica Angel 2519 RedJessica Angel 2519 Red
Jessica Angel 2519 Sale priceCHF 393
Portia and Scarlett PS25202 GoldPortia and Scarlett PS25202 Teal
Portia and Scarlett PS25202 Sale priceCHF 489
Andrea and Leo A1239 Light YellowAndrea and Leo A1239 Peony Pink
Andrea and Leo A1239 Sale priceCHF 192 Regular priceCHF 408
Ieena Duggal 554021 RaspberryIeena Duggal 554021 Sapphire
Ieena Duggal 554021 Sale priceCHF 202
La Femme - 27942 Illusion Floral Lace A-Line Dress In BlueLa Femme - 27942 Illusion Floral Lace A-Line Dress In Silver & Gray
La Femme 27942 Sale priceCHF 353 Regular priceCHF 465
GLS by Gloria GL3244 PinkGLS by Gloria GL3244 Pink
GLS by Gloria GL3244 Sale priceCHF 358 Regular priceCHF 715
Clarisse 810735 Powder BlueClarisse 810735 Powder Blue
Clarisse 810735 Sale priceCHF 257
SCALA 61350 Dark SapphireSCALA 61350 Dark Sapphire
SCALA 61350 Sale priceCHF 345
GLS by Gloria GL3410 LilacGLS by Gloria GL3410 Lilac
GLS by Gloria GL3410 Sale priceCHF 277 Regular priceCHF 554
Portia and Scarlett PS26177
Portia and Scarlett PS26177 Sale priceCHF 596
GLS by Gloria GL3138 BlackGLS by Gloria GL3138 Black
GLS by Gloria GL3138 Sale priceCHF 276 Regular priceCHF 551
Jovani 23077 in BlueJovani 23077 in Blue
Jovani 23077 Sale priceCHF 559
Ladivine CD372W Off WhiteLadivine CD372W Off White
Ladivine CD372W Sale priceCHF 154

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!