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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 31218 RedLa Femme 31218 Red
La Femme 31218 Sale priceCHF 306
Ladivine CDS483 FuchsiaLadivine CDS483 Fuchsia
Ladivine CDS483 Sale priceCHF 109 Regular priceCHF 221
La Femme 32278 Royal BlueLa Femme 32278 Royal Blue
La Femme 32278 Sale priceCHF 565
Elizabeth K GL3053 In NeutralElizabeth K GL3053 In Neutral
Elizabeth K GL3053 Sale priceCHF 216 Regular priceCHF 431
Sold outMac Duggal - 5622 Draped Sequin Gown In Pink and NeutralMac Duggal 5622
Mac Duggal 5622 Sale priceCHF 238 Regular priceCHF 452
Ladivine CD998 YellowLadivine CD998 Yellow
Ladivine CD998 Sale priceCHF 153 Regular priceCHF 342
La Femme 31428 Neon PinkLa Femme 31428 Neon Pink
La Femme 31428 Sale priceCHF 193
Ieena Duggal 11279 In BlackIeena Duggal 11279 In Black
Ieena Duggal 11279 Sale priceCHF 321
La Femme 32215 Light BlueLa Femme 32215 Light Blue
La Femme 32215 Sale priceCHF 548
Dancing Queen 4296 In RedDancing Queen 4296 In Red
Dancing Queen 4296 Sale priceCHF 199
Mac Duggal - 49454D Plunging V Neck Long Dress In BlackMac Duggal 49454D Black
Mac Duggal 49454D Sale priceCHF 260 Regular priceCHF 380
La Femme 32022 Dark EmeraldLa Femme 32022 Dark Emerald
La Femme 32022 Sale priceCHF 484
 La Femme 31170 RedLa Femme 31170 Red
La Femme 31170 Sale priceCHF 193
Ladivine C141 Blackvideowise-widget-6675879ca76a3d00290aacea-7527835566273
Ladivine C141 Sale priceCHF 68 Regular priceCHF 122
La Femme 31295 Dark EmeraldLa Femme 31295 Dark Emerald
La Femme 31295 Sale priceCHF 225
Ladivine CDS423C Deep EmeraldLadivine CDS423C Deep Emerald
Ladivine CDS423C Sale priceCHF 96
Ladivine CDS454 ChampagneLadivine CDS454 Champagne
Ladivine CDS454 Sale priceCHF 193
La Femme 31326 Light PeriwinkleLa Femme 31326 Light Periwinkle
La Femme 31326 Sale priceCHF 274
La Femme 31213 PinkLa Femme 31213 Pink
La Femme 31213 Sale priceCHF 76
La Femme - 28881 Long Sleeve Off Shoulder Jersey Dress In BurgundyLa Femme - 28881 Long Sleeve Off Shoulder Jersey Dress In Blue
La Femme 28881 Sale priceCHF 284 Regular priceCHF 347
La Femme - 29872 Strappy Back Sequin Dress In BlackLa Femme - 29872 Strappy Back Sequin Dress In Champagne & Gold
La Femme 29872 Sale priceCHF 241
La Femme 31538s BlackLa Femme 31538s Black
La Femme 31538 Sale priceCHF 323
La Femme 31078 Dark BerryLa Femme 31078 Dark Berry
La Femme 31078 Sale priceCHF 241
Sold outMac Duggal 68175 In PinkMac Duggal 68175 In Pink
Mac Duggal 68175 Sale priceCHF 483
GLS by Gloria GL3024 In GreenGLS by Gloria GL3024 In Green
GLS by Gloria GL3024 Sale priceCHF 237 Regular priceCHF 474
Ladivine CD278 Opal BlueLadivine CD278 Opal Blue
Ladivine CD278 Sale priceCHF 68 Regular priceCHF 134
La Femme 32189 BlackLa Femme 32189 Black
La Femme 32189 Sale priceCHF 646
Clarisse 800259Clarisse 800259
Clarisse 800259 Sale priceCHF 264
La Femme - 29693 Off Shoulder High Slit Lace Dress In BlackLa Femme - 29693 Off Shoulder High Slit Lace Dress In Purple
La Femme 29693 Sale priceCHF 306
Ieena Duggal - 26541I Tiered High Slit Dress In Black and NeutralIeena Duggal - 26541I Tiered High Slit Dress In Black and Neutral
Ieena Duggal 26541I Sale priceCHF 419
Ieena Duggal 26740 In GoldIeena Duggal 26740 In Gold
Ieena Duggal 26740 Sale priceCHF 402
La Femme 32408 ChampagneLa Femme 32408 Champagne
La Femme 32408 Sale priceCHF 435
La Femme 29546 In BlackLa Femme 29546 In Black
La Femme 29546 Sale priceCHF 403
Elizabeth K GL3050 In BlackElizabeth K GL3050 In Black
Elizabeth K GL3050 Sale priceCHF 197 Regular priceCHF 394
La Femme 31151 Dark BerryLa Femme 31151 Dark Berry
La Femme 31151 Sale priceCHF 258
La Femme 31386 in BlackLa Femme 31386 in Black
La Femme 31386 Sale priceCHF 209
La Femme 31500 Dark EmeraldLa Femme 31500 Dark Emerald
La Femme 31500 Sale priceCHF 241
La Femme 29579 In BlackLa Femme 29579 In Black
La Femme 29579 Sale priceCHF 364
La Femme 32318 NudeLa Femme 32318 Nude
La Femme 32318 Sale priceCHF 403
La Femme - 30663 Lace Mermaid Gown In PinkLa Femme - 30663 Lace Mermaid Gown In Pink
La Femme 30663 Sale priceCHF 355
La Femme 28558 Light PeriwinkleLa Femme 28558 Mauve
La Femme 28558 Sale priceCHF 241
La Femme 32311 BlackLa Femme 32311 Black
La Femme 32311 Sale priceCHF 362
La Femme 32150 Neon PinkLa Femme 32150 Neon Pink
La Femme 32150 Sale priceCHF 484
GLS by Gloria GL3029 In BlueGLS by Gloria GL3029 In Blue
GLS by Gloria GL3029 Sale priceCHF 234 Regular priceCHF 468
La Femme - 29055 Deep V Neck Jersey Fitted Dress In PurpleLa Femme - 29055 Deep V Neck Jersey Fitted Dress In Green
La Femme 29055 Sale priceCHF 284
La Femme 31407 PurpleLa Femme 31407 Purple
La Femme 31407 Sale priceCHF 355
La Femme 32091 Lavender GrayLa Femme 32091 Lavender Gray
La Femme 32091 Sale priceCHF 517
La Femme 31266 BronzeLa Femme 31266 Bronze
La Femme 31266 Sale priceCHF 306

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!