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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 32226 BlackLa Femme 32226 Black
La Femme 32226 Sale priceCHF 364
Ladivine CD325 Paris BlueLadivine CD325 Paris Blue
Ladivine CD325 Sale priceCHF 115 Regular priceCHF 230
La Femme 28719 SilverLa Femme 28719 Black
La Femme 28719 Sale priceCHF 322
La Femme 31443 Hot CoralLa Femme 31443 Hot Coral
La Femme 31443 Sale priceCHF 193
Mac Duggal 30725 In BlueMac Duggal 30725 In Blue
Mac Duggal 30725 Sale priceCHF 321
Ladivine CD0154 Smoky Blue videowise-widget-6675879ca76a3d00290aacea-7492555538625
Ladivine CD0154 Sale priceCHF 175
La Femme 31273 Royal BlueLa Femme 31273 Royal Blue
La Femme 31273 Sale priceCHF 364
La Femme 31222 OrangeLa Femme 31222 Orange
La Femme 31222 Sale priceCHF 241
Ladivine CB084 BlackLadivine CB084 Black
Ladivine CB084 Sale priceCHF 110 Regular priceCHF 189
Ieena Duggal - 55416I High Slit Tiered Chiffon Dress In BlackIeena Duggal - 55416I High Slit Tiered Chiffon Dress In Black
Ieena Duggal 55416 Sale priceCHF 321
La Femme 31539 Neon PinkLa Femme 31539 Neon Pink
La Femme 31539 Sale priceCHF 193
La Femme 31878 Cloud BlueLa Femme 31878 Cloud Blue
La Femme 31878 Sale priceCHF 257
La Femme 32038 Royal BlueLa Femme 32038 Royal Blue
La Femme 32038 Sale priceCHF 484
Ladivine CH061 LavenderLadivine CH061 Lavender
Ladivine CH061 Sale priceCHF 109 Regular priceCHF 225
Ladivine CD830 GreeneryLadivine CD830 Greenery
Ladivine CD830 Sale priceCHF 258
GLS by Gloria GL3036GLS by Gloria GL3036
GLS by Gloria GL3036 Sale priceCHF 236 Regular priceCHF 471
Ieena Duggal 11283 In BlackIeena Duggal 11283 In Black
Ieena Duggal 11283 Sale priceCHF 180 Regular priceCHF 334
Ieena Duggal - 26723 Long Sleeve High Slit Dress In NeutralIeena Duggal - 26723 Long Sleeve High Slit Dress In Neutral
Ieena Duggal 26723 Sale priceCHF 334
Ladivine J869Ladivine J869
Ladivine J869 Sale priceCHF 172
Ladivine CD887 BlackLadivine CD887 Pink
Ladivine CD887 Sale priceCHF 68 Regular priceCHF 140
La Femme 32319 BlackLa Femme 32319 Black
La Femme 32319 Sale priceCHF 387
La Femme 32257 Dark EmeraldLa Femme 32257 Dark Emerald
La Femme 32257 Sale priceCHF 306
Ladivine CC2279 BlueLadivine CC2279 Blue
Ladivine CC2279 Sale priceCHF 115 Regular priceCHF 255
GLS by Gloria GL3034 In PinkGLS by Gloria GL3034 In Pink
GLS by Gloria GL3034 Sale priceCHF 277 Regular priceCHF 554
La Femme 30392 Dark BerryLa Femme 30392 Dark Berry
La Femme 30392 Sale priceCHF 225
La Femme 29741 WhiteLa Femme 29741 Black
La Femme 29741 Sale priceCHF 403
Faviana S10640 In IvoryFaviana S10640 In Ivory
Faviana S10640 Sale priceCHF 387
La Femme 32302 Dark BerryLa Femme 32302 Dark Berry
La Femme 32302 Sale priceCHF 387
La Femme 32059 Royal BlueLa Femme 32059 Royal Blue
La Femme 32059 Sale priceCHF 403
Ladivine CB121 Green GrayLadivine CB121 Green Gray
Ladivine CB121 Sale priceCHF 153 Regular priceCHF 327
La Femme 31600 Neon PinkLa Femme 31600 Neon Pink
La Femme 31600 Sale priceCHF 225
La Femme 32121 Dark BerryLa Femme 32121 Dark Berry
La Femme 32121 Sale priceCHF 484
La Femme 32291 PurpleLa Femme 32291 Purple
La Femme 32291 Sale priceCHF 484
La Femme 32161 IndigoLa Femme 32161 Indigo
La Femme 32161 Sale priceCHF 274
La Femme 31599 BlackLa Femme 31599 Black
La Femme 31599 Sale priceCHF 241
La Femme 32145 Light PeriwinkleLa Femme 32145 Light Periwinkle
La Femme 32145 Sale priceCHF 516
Ladivine CC2212 Lapis BlueLadivine CC2212 Lapis Blue
Ladivine CC2212 Sale priceCHF 87 Regular priceCHF 157
La Femme 32308 Dark BerryLa Femme 32308 Dark Berry
La Femme 32308 Sale priceCHF 403
La Femme 31237 Light PeriwinkleLa Femme 31237 Light Periwinkle
La Femme 31237 Sale priceCHF 290
La Femme 32210 RedLa Femme 32210 Red
La Femme 32210 Sale priceCHF 484
La Femme 32074 Light BlueLa Femme 32074 Light Blue
La Femme 32074 Sale priceCHF 484
La Femme 31992 NavyLa Femme 31992 Navy
La Femme 31992 Sale priceCHF 484
La Femme 32191 BlackLa Femme 32191 Black
La Femme 32191 Sale priceCHF 355
La Femme 31027 BlackLa Femme 31027 Black
La Femme 31027 Sale priceCHF 241
La Femme 32030 BlackLa Femme 32030 Black
La Femme 32030 Sale priceCHF 403
La Femme 31936 NavyLa Femme 31936 Navy
La Femme 31936 Sale priceCHF 484
La Femme 31528 Multi-colorLa Femme 31528 Multi-color
La Femme 31528 Sale priceCHF 306
La Femme 31986 Electric BlueLa Femme 31986 Electric Blue
La Femme 31986 Sale priceCHF 387

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!