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Long Formal Party Dresses & Formal Prom Gowns

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Ieena Duggal 26591 In Brown and BlackIeena Duggal 26591 In Brown and Black
Ieena Duggal 26591 Sale priceCHF 339
Faviana 9526 In Green
Faviana 9526 Sale priceCHF 359
Ieena Duggal - 55416I High Slit Tiered Chiffon Dress In BlackIeena Duggal - 55416I High Slit Tiered Chiffon Dress In Black
Ieena Duggal 55416 Sale priceCHF 325
La Femme 30305 EmeraldLa Femme 30305 Black
La Femme 30305 Sale priceCHF 244
La Femme 31335 BlueLa Femme 31335 Blue
La Femme 31335 Sale priceCHF 310
La Femme 31574 BlueLa Femme 31574 Blue
La Femme 31574 Sale priceCHF 261
La Femme 28719 SilverLa Femme 28719 Black
La Femme 28719 Sale priceCHF 326
La Femme 32038 Royal BlueLa Femme 32038 Royal Blue
La Femme 32038 Sale priceCHF 490
La Femme 31403 PurpleLa Femme 31403 Purple
La Femme 31403 Sale priceCHF 277
La Femme 30634 SilverLa Femme 30634 Silver
La Femme 30634 Sale priceCHF 277
Mac Duggal 30725 In BlueMac Duggal 30725 In Blue
Mac Duggal 30725 Sale priceCHF 325
La Femme 31944 Cloud BlueLa Femme 31944 Cloud Blue
La Femme 31944 Sale priceCHF 343
La Femme 31973 Dark BerryLa Femme 31973 Dark Berry
La Femme 31973 Sale priceCHF 359
La Femme 31539 Neon PinkLa Femme 31539 Neon Pink
La Femme 31539 Sale priceCHF 196
La Femme 31322 BrownLa Femme 31322 Brown
La Femme 31322 Sale priceCHF 277
La Femme 31069 Dark BerryLa Femme 31069 Dark Berry
La Femme 31069 Sale priceCHF 294
La Femme 32309 Dark EmeraldLa Femme 32309 Dark Emerald
La Femme 32309 Sale priceCHF 457
La Femme - 30340 Bejeweled Cross Bodice Gown In Champagne & GoldLa Femme - 30340 Bejeweled Cross Bodice Gown In Champagne & Gold
La Femme 30340 Sale priceCHF 77
La Femme 31222 OrangeLa Femme 31222 Orange
La Femme 31222 Sale priceCHF 244
Ladivine CD0219C Smoky BlueLadivine CD0219C Smoky Blue
Ladivine CD0219C Sale priceCHF 247
Ladivine CB087 Rose GoldLadivine CB087 Rose Gold
Ladivine CB087 Sale priceCHF 161 Regular priceCHF 252
Ladivine CC2279 BlueLadivine CC2279 Blue
Ladivine CC2279 Sale priceCHF 118 Regular priceCHF 258
 Elizabeth K GL3054 In BlackElizabeth K GL3054 In Black
Elizabeth K GL3054 Sale priceCHF 219 Regular priceCHF 436
Faviana 9498 Steel BlueFaviana 9498 Steel Blue
Faviana 9498 Sale priceCHF 326
La Femme 31447 AquaLa Femme 31447 Aqua
La Femme 31447 Sale priceCHF 228
La Femme 32319 BlackLa Femme 32319 Black
La Femme 32319 Sale priceCHF 392
La Femme 31351 PurpleLa Femme 31351 Purple
La Femme 31351 Sale priceCHF 326
Mac Duggal 20246Mac Duggal 20246
Mac Duggal 20246 Sale priceCHF 567 Regular priceCHF 1,019
Ieena Duggal - 26408I Plunged V-Neck Spaghetti Strap Metallic Gown In Champagne and GoldIeena Duggal - 26408I Plunged V-Neck Spaghetti Strap Metallic Gown In Champagne and Gold
Ieena Duggal 26408 Sale priceCHF 275
La Femme 31338 PurpleLa Femme 31338
La Femme 31338 Sale priceCHF 277
La Femme 32322 Bright GreenLa Femme 32322 Bright Green
La Femme 32322 Sale priceCHF 392
Ladivine SF009 Fog GreyLadivine SF009 Fog Grey
Ladivine SF009 Sale priceCHF 219
La Femme 30716 ChampagneLa Femme 30716 Champagne
La Femme 30716 Sale priceCHF 490
Ladivine CC2168 PurpleLadivine CC2168 Purple
Ladivine CC2168 Sale priceCHF 138 Regular priceCHF 311
Ladivine CH136 BlackLadivine CH136 Red
Ladivine CH136 Sale priceCHF 79 Regular priceCHF 168
La Femme 30596 MauveLa Femme 30596 Mauve
La Femme 30596 Sale priceCHF 277
La Femme 31163 EmeraldLa Femme 31163 Emerald
La Femme 31163 Sale priceCHF 326
Ieena Duggal 2630 RedIeena Duggal 2630 Red
Ieena Duggal A2630 Sale priceCHF 258 Regular priceCHF 390
La Femme 31549 RedLa Femme 31549 Red
La Femme 31549 Sale priceCHF 244
Ladivine CH135 BlackLadivine CH135 Black
Ladivine CH135 Sale priceCHF 79 Regular priceCHF 183
La Femme 31377 BlackLa Femme 31377 Black
La Femme 31377 Sale priceCHF 261
Sold outMac Duggal 93540 BurgundyMac Duggal 93540 Burgundy
Mac Duggal 93540 Sale priceCHF 489
Ladivine CH061 LavenderLadivine CH061 Lavender
Ladivine CH061 Sale priceCHF 98 Regular priceCHF 228
La Femme - 30433 Sequin Sheath Gown In BlueLa Femme - 30433 Sequin Sheath Gown In White & Ivory
La Femme 30433 Sale priceCHF 77
La Femme 31288 Royal BlueLa Femme 31288 Royal Blue
La Femme 31288 Sale priceCHF 408
Ladivine CC2309 Black-NudeLadivine CC2309 Black-Nude
Ladivine CC2309 Sale priceCHF 155 Regular priceCHF 307
La Femme 32257 Dark EmeraldLa Femme 32257 Dark Emerald
La Femme 32257 Sale priceCHF 310
Mac Duggal 93695 In Black MultiMac Duggal 93695 In Black Multi
Mac Duggal 93695 Sale priceCHF 489

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!