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Long Formal Party Dresses & Formal Prom Gowns

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830 Item

La Femme 32258 BlackLa Femme 32258 Black
La Femme 32258 Sale priceCHF 360
La Femme 32273 Royal BlueLa Femme 32273 Royal Blue
La Femme 32273 Sale priceCHF 442
Ladivine Y030 RedLadivine Y030 Red
Ladivine Y030 Sale priceCHF 71 Regular priceCHF 159
La Femme 32064 BlackLa Femme 32064 Black
La Femme 32064 Sale priceCHF 393
La Femme 32337 AquaLa Femme 32337 Aqua
La Femme 32337 Sale priceCHF 393
La Femme 32314 Bright GreenLa Femme 32314 Bright Green
La Femme 32314 Sale priceCHF 409
Ladivine CDS491 GoldLadivine CDS491 Gold
Ladivine CDS491 Sale priceCHF 116 Regular priceCHF 244
La Femme 31285 RedLa Femme 31285 Red
La Femme 31285 Sale priceCHF 393
La Femme 32269 SilverLa Femme 32269 Silver
La Femme 32269 Sale priceCHF 393
La Femme 31257 BlackLa Femme 31257 Black
La Femme 31257 Sale priceCHF 458
La Femme 31220 PurpleLa Femme 31220 Purple
La Femme 31220 Sale priceCHF 360
La Femme 31119 BlueLa Femme 31119 Blue
La Femme 31119 Sale priceCHF 311
La Femme 31605 Dark BerryLa Femme 31605 Dark Berry
La Femme 31605 Sale priceCHF 393
Sold outLa Femme 32305 Dark EmeraldLa Femme 32305 Dark Emerald
La Femme 32305 Sale priceCHF 491
La Femme 30682 In PinkLa Femme 30682 In Pink
La Femme 30682 Sale priceCHF 229
La Femme 32436 Neon PinkLa Femme 32436 Neon Pink
La Femme 32436 Sale priceCHF 393
La Femme 31279 BlueLa Femme 31279 Blue
La Femme 31279 Sale priceCHF 278
La Femme 32092 Light AquaLa Femme 32092 Light Aqua
La Femme 32092 Sale priceCHF 409
La Femme 32173 Light BlueLa Femme 32173 Light Blue
La Femme 32173 Sale priceCHF 327
La Femme 32004 Lilac MistLa Femme 32004 Lilac Mist
La Femme 32004 Sale priceCHF 524
Ladivine CD935 Rose GoldLadivine CD935 Rose Gold
Ladivine CD935 Sale priceCHF 376
Ladivine CD0232 Silver-NudeLadivine CD0232 Silver-Nude
Ladivine CD0232 Sale priceCHF 281
Faviana S10657 In PeriFaviana S10657 In Peri
Faviana S10657 Sale priceCHF 368
Ladivine CD866 Silver-NudeLadivine CD866 Silver-Nude
Ladivine CD866 Sale priceCHF 293 Regular priceCHF 516
Ladivine CD845 BlueLadivine CD845 Blue
Ladivine CD845 Sale priceCHF 254 Regular priceCHF 559
La Femme 31899 Dark BerryLa Femme 31899 Dark Berry
La Femme 31899 Sale priceCHF 261
La Femme 31943 ChampagneLa Femme 31943 Champagne
La Femme 31943 Sale priceCHF 393
La Femme 31133 AquaLa Femme 31133 Aqua
La Femme 31133 Sale priceCHF 294
Elizabeth K GL3069 In PinkElizabeth K GL3069 In Pink
Elizabeth K GL3069 Sale priceCHF 196 Regular priceCHF 391
La Femme 31618 RedLa Femme 31618 Red
La Femme 31618 Sale priceCHF 261
GLS by Gloria GL3052 In PurpleGLS by Gloria GL3052 In Purple
GLS by Gloria GL3052 Sale priceCHF 260 Regular priceCHF 519
Ladivine CD847 Silver-NudeLadivine CD847 Silver-Nude
Ladivine CD847 Sale priceCHF 323
Ladivine CB116 Dusty RoseLadivine CB116 Rose Gold
Ladivine CB116 Sale priceCHF 138 Regular priceCHF 290
Ladivine CM328 MagentaLadivine CM328 Royal
Ladivine CM328 Sale priceCHF 118 Regular priceCHF 254
La Femme - 29052 Embellished Lace Deep V Neck Dress In BlackLa Femme - 29052 Embellished Lace Deep V Neck Dress In Purple
La Femme 29052 Sale priceCHF 360
La Femme 32199 IndigoLa Femme 32199 Indigo
La Femme 32199 Sale priceCHF 360
Ladivine CD990 BlackLadivine CD990 Black
Ladivine CD990 Sale priceCHF 234 Regular priceCHF 455
Ladivine CC2308 MauveLadivine CC2308 Light Blue
Ladivine CC2308 Sale priceCHF 264
Portia and Scarlett PS22122 in BluePortia and Scarlett PS22122 in Blue
Portia and Scarlett PS22122 Sale priceCHF 265 Regular priceCHF 585
La Femme 31253 BlackLa Femme 31253 Black
La Femme 31253 Sale priceCHF 311
La Femme - 30663 Lace Mermaid Gown In PinkLa Femme - 30663 Lace Mermaid Gown In Pink
La Femme 30663 Sale priceCHF 360
La Femme 31989 Light BlueLa Femme 31989 Light Blue
La Femme 31989 Sale priceCHF 393
La Femme 32295 SilverLa Femme 32295 Silver
La Femme 32295 Sale priceCHF 573
La Femme 31295 Dark EmeraldLa Femme 31295 Dark Emerald
La Femme 31295 Sale priceCHF 229
GLS by Gloria GL3000 In GreenGLS by Gloria GL3000 In Green
GLS by Gloria GL3000 Sale priceCHF 341 Regular priceCHF 682
La Femme 32189 BlackLa Femme 32189 Black
La Femme 32189 Sale priceCHF 655
Ladivine CC6018 Black-NudeLadivine CC6018 Black-Nude
Ladivine CC6018 Sale priceCHF 263
Ladivine CB099s Bluevideowise-widget-6675879ca76a3d00290aacea-7527822753985
Ladivine CB099 Sale priceCHF 138 Regular priceCHF 326

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!