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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 31953 MultiLa Femme 31953 Multi
La Femme 31953 Sale priceCHF 242
La Femme 32216 Dark EmeraldLa Femme 32216 Dark Emerald
La Femme 32216 Sale priceCHF 403
La Femme 30690 In PinkLa Femme 30690 In Pink
La Femme 30690 Sale priceCHF 76
La Femme 32151 BlackLa Femme 32151 Black
La Femme 32151 Sale priceCHF 646
Mac Duggal - 49054I Sleeveless Tiered High Slit A-Line Dress In RedMac Duggal - 49054I Sleeveless Tiered High Slit A-Line Dress In Red
Mac Duggal 49054 Sale priceCHF 399 Regular priceCHF 815
La Femme - 28945 Lace Off Shoulder Trumpet Dress In BlackLa Femme - 28945 Lace Off Shoulder Trumpet Dress In Black
La Femme 28945 Sale priceCHF 355
La Femme 31105 GreenLa Femme 31105 Green
La Femme 31105 Sale priceCHF 323
La Femme 32082 Light PeriwinkleLa Femme 32082 Light Periwinkle
La Femme 32082 Sale priceCHF 485
La Femme 31516 Royal BlueLa Femme 31516 Royal Blue
La Femme 31516 Sale priceCHF 209
La Femme 31857 Dark BerryLa Femme 31857 Dark Berry
La Femme 31857 Sale priceCHF 387
La Femme 32327 NudeLa Femme 32327 Nude
La Femme 32327 Sale priceCHF 485
La Femme 32160 WineLa Femme 32160 Wine
La Femme 32160 Sale priceCHF 274
Ladivine CD262 PurpleLadivine CD262 Purple
Ladivine CD262 Sale priceCHF 108 Regular priceCHF 205
La Femme 32005 BlackLa Femme 32005 Black
La Femme 32005 Sale priceCHF 485
 Ladivine CD883 BlackLadivine CD883 Green
Ladivine CD883 Sale priceCHF 68 Regular priceCHF 119
Ladivine C142 OrangeLadivine C142 Green and Pink
Ladivine C142 Sale priceCHF 68 Regular priceCHF 151
Ladivine CH171 In Black and RedLadivine CH171 In Pink
Ladivine CH171 Sale priceCHF 77 Regular priceCHF 156
La Femme 32108 BlackLa Femme 32108 Black
La Femme 32108 Sale priceCHF 436
La Femme 32314 Bright GreenLa Femme 32314 Bright Green
La Femme 32314 Sale priceCHF 403
La Femme - 28648 Laced And Beaded Evening Gown In BlackLa Femme - 28648 Laced And Beaded Evening Gown In Black
La Femme 28648 Sale priceCHF 242
La Femme 31257 BlackLa Femme 31257 Black
La Femme 31257 Sale priceCHF 452
La Femme 32087 BlackLa Femme 32087 Black
La Femme 32087 Sale priceCHF 485
Andrea and Leo A1012 MauveAndrea and Leo A1012 White
Andrea and Leo A1012 Sale priceCHF 435
La Femme 30334 Dark BerryLa Femme 30334 Dark Berry
La Femme 30334 Sale priceCHF 387
Dancing Queen 4287 In BlackDancing Queen 4287 In Green
Dancing Queen 4287 Sale priceCHF 177
La Femme 31311 BlackLa Femme 31311 Black
La Femme 31311 Sale priceCHF 225
Elizabeth K GL3045 In RedElizabeth K GL3045 In Red
Elizabeth K GL3045 Sale priceCHF 275 Regular priceCHF 549
La Femme 32045 WhiteLa Femme 32045 White
La Femme 32045 Sale priceCHF 387
Elizabeth K GL3035 In YellowElizabeth K GL3035 In Yellow
Elizabeth K GL3035 Sale priceCHF 198 Regular priceCHF 394
Ladivine CH079 NavyLadivine CH079 Navy
Ladivine CH079 Sale priceCHF 125
Ladivine CD975 Burgundyvideowise-widget-6675879ca76a3d00290aacea-7459521659073
Ladivine CD975 Sale priceCHF 110 Regular priceCHF 227
La Femme 32321 Bright GreenLa Femme 32321 Bright Green
La Femme 32321 Sale priceCHF 355
La Femme - 30613 Embellished Sheath Evening Dress In PinkLa Femme - 30613 Embellished Sheath Evening Dress In Pink
La Femme 30613 Sale priceCHF 209
GLS by Gloria GL3006 In BlackGLS by Gloria GL3006 In Black
GLS by Gloria GL3006 Sale priceCHF 278 Regular priceCHF 555
La Femme 32447 Light PeriwinkleLa Femme 32447 Light Periwinkle
La Femme 32447 Sale priceCHF 452
Dancing Queen 4284 In RedDancing Queen 4284 In Red
Dancing Queen 4284 Sale priceCHF 213
Ladivine CL03 BurgundyLadivine CL03 Black
Ladivine CL03 Sale priceCHF 68 Regular priceCHF 153
La Femme 32337 AquaLa Femme 32337 Aqua
La Femme 32337 Sale priceCHF 387
La Femme 30584 Royal BlueLa Femme 30584 Royal Blue
La Femme 30584 Sale priceCHF 387
La Femme 31343 Dark EmeraldLa Femme 31343 Dark Emerald
La Femme 31343 Sale priceCHF 403
Mac Duggal - 93603 Sleeveless Beaded Sequin Gown In NeutralMac Duggal - 93603 Sleeveless Beaded Sequin Gown In Neutral
Mac Duggal 93603 Sale priceCHF 240
Ladivine CD832 Aqua Bluevideowise-widget-6675879ca76a3d00290aacea-10103833002177
Ladivine CD832 Sale priceCHF 134 Regular priceCHF 319
Ladivine CC2162 EmeraldLadivine CC2162 Emerald
Ladivine CC2162 Sale priceCHF 110 Regular priceCHF 195
Ladivine CM356 PinkLadivine CM356 Pink
Ladivine CM356 Sale priceCHF 134 Regular priceCHF 297
Ladivine CD331 FuchsiaLadivine CD331 Fuchsia
Ladivine CD331 Sale priceCHF 154 Regular priceCHF 301
Ieena Duggal - 26513I Faux Surplice High Slit Long Dress In BlackIeena Duggal 26513 Black
Ieena Duggal 26513I Sale priceCHF 256
Mac Duggal 5390 In Multi ColorMac Duggal 5390 In Multi Color
Mac Duggal 5390 Sale priceCHF 206 Regular priceCHF 419
La Femme 31417 OrangeLa Femme 31417 Orange
La Femme 31417 Sale priceCHF 274

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!