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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 32346 EmeraldLa Femme 32346 Emerald
La Femme 32346 Sale priceCHF 484
Ladivine CB148 BlueLadivine CB148 Blue
Ladivine CB148 Sale priceCHF 88 Regular priceCHF 157
Dancing Queen 4253 In PinkDancing Queen 4253 In Pink
Dancing Queen 4253 Sale priceCHF 227
Ladivine CD290 EmeraldLadivine CD290 Black
Ladivine CD290 Sale priceCHF 68 Regular priceCHF 149
Faviana S10501 In RedFaviana S10501 In Red
Faviana S10501 Sale priceCHF 362
La Femme - 28837 Glimmer Stretch Knit Lace Sheath Evening Gown In BlackLa Femme - 28837 Glimmer Stretch Knit Lace Sheath Evening Gown In Pink
La Femme 28837 Sale priceCHF 355
La Femme 31579 GreenLa Femme 31579 Green
La Femme 31579 Sale priceCHF 403
Ladivine CM327 PeacockLadivine CM327 Peacock
Ladivine CM327 Sale priceCHF 134 Regular priceCHF 268
Atria - 6409H Crisscross Open Back Shiny Evening Gown In GoldAtria - 6409H Crisscross Open Back Shiny Evening Gown In Gold
Atria 6409H Sale priceCHF 340
Dancing Queen 4222 In BlueDancing Queen 4222 In Pink
Dancing Queen 4222 Sale priceCHF 199
La Femme 29681 RedLa Femme 29681 Red
La Femme 29681 Sale priceCHF 241
La Femme - 29046 Faux Wrap Plunging Neck High Slit Sequin Gown In Champagne & GoldLa Femme - 29046 Faux Wrap Plunging Neck High Slit Sequin Gown In Blue
La Femme 29046 Sale priceCHF 322
La Femme 31357 BlackLa Femme 31357 Black
La Femme 31357 Sale priceCHF 225
La Femme 29924La Femme 29924
La Femme 29924 Sale priceCHF 274 Regular priceCHF 337
Ladivine CDS440 Dusty BlueLadivine CDS440 Emerald
Ladivine CDS440 Sale priceCHF 156
Ladivine CH062 Emeraldvideowise-widget-6675879ca76a3d00290aacea-10070582001857
Ladivine CH062 Sale priceCHF 87 Regular priceCHF 185
La Femme 30320 Dark EmeraldLa Femme 30320 Black
La Femme 30320 Sale priceCHF 403
Ieena Duggal 26717 In GoldIeena Duggal 26717 In Gold
Ieena Duggal 26717 Sale priceCHF 334
La Femme 32049 Dark BerryLa Femme 32049 Dark Berry
La Femme 32049 Sale priceCHF 484
Ladivine CD0218 EmeraldLadivine CD0218 Black
Ladivine CD0218 Sale priceCHF 238
Ieena Duggal - 26532I Plunged V-Neck High Slit Gown With Pearl Accent In BlackIeena Duggal - 26532I Plunged V-Neck High Slit Gown With Pearl Accent In Black
Ieena Duggal 26532I Sale priceCHF 284
La Femme 31523 RedLa Femme 31523 Red
La Femme 31523 Sale priceCHF 193
La Femme 31430 PurpleLa Femme 31430 Purple
La Femme 31430 Sale priceCHF 241
La Femme - 30617 Scoop Sequin Evening Gown In BlueLa Femme - 30617 Scoop Sequin Evening Gown In Blue
La Femme 30617 Sale priceCHF 209
Ladivine CH144 Blackvideowise-widget-6675879ca76a3d00290aacea-7479707238593
Ladivine CH144 Sale priceCHF 87 Regular priceCHF 175
Ladivine CD0201 Black and BlueLadivine CD0201 Blue
Ladivine CD0201 Sale priceCHF 68 Regular priceCHF 128
La Femme 31229 EmeraldLa Femme 31229 Emerald
La Femme 31229 Sale priceCHF 290
La Femme 31391 BlackLa Femme 31391 Black
La Femme 31391 Sale priceCHF 225
Mac Duggal 5687 In GreenMac Duggal 5687 In Green
Mac Duggal 5687 Sale priceCHF 483
videowise-widget-6675879ca76a3d00290aacea-10083696935105Ladivine CC2167 Light Blue
Ladivine CC2167 Sale priceCHF 153 Regular priceCHF 367
La Femme 32339 EmeraldLa Femme 32339 Emerald
La Femme 32339 Sale priceCHF 322
Faviana S10682 In YellowFaviana S10682 In Yellow
Faviana S10682 Sale priceCHF 386
La Femme - 29053 V Neck Sheath Dress With Slit In BlueLa Femme - 29053 V Neck Sheath Dress With Slit In Blue
La Femme 29053 Sale priceCHF 283
La Femme 32192 Slate BlueLa Femme 32192 Slate Blue
La Femme 32192 Sale priceCHF 516
La Femme 32077 ChampagneLa Femme 32077 Champagne
La Femme 32077 Sale priceCHF 564
La Femme 32133 BlackLa Femme 32133 Black
La Femme 32133 Sale priceCHF 355
La Femme 31977 EmeraldLa Femme 31977 Aubergine
La Femme 31977 Sale priceCHF 306
La Femme 32288 Lavender GrayLa Femme 32288 Lavender Gray
La Femme 32288 Sale priceCHF 484
La Femme 31409 PurpleLa Femme 31409 Red
La Femme 31409 Sale priceCHF 209
GLS by Gloria GL3048 In PinkGLS by Gloria GL3048 In Pink
GLS by Gloria GL3048 Sale priceCHF 276 Regular priceCHF 551
Faviana S10252 JadeFaviana S10252 Jade
Faviana S10252 Sale priceCHF 290
Alyce Paris - 61181 Lace Up Back Sequin Gown In WhiteAlyce Paris - 61181 Lace Up Back Sequin Gown In White
Alyce Paris 61181 Sale priceCHF 131 Regular priceCHF 281
La Femme 32416 PeachLa Femme 32416 Peach
La Femme 32416 Sale priceCHF 467
Elizabeth K GL3030 In NeutralElizabeth K GL3030 In Neutral
Elizabeth K GL3030 Sale priceCHF 217 Regular priceCHF 433
La Femme 32330 PurpleLa Femme 32330 Purple
La Femme 32330 Sale priceCHF 241
La Femme - 28860 Sequin Halter Evening Dress In PurpleLa Femme - 28860 Sequin Halter Evening Dress In Purple
La Femme 28860 Sale priceCHF 322
Ieena Duggal 26600 In BronzeIeena Duggal 26600 In Bronze
Ieena Duggal 26600 Sale priceCHF 180 Regular priceCHF 334
La Femme 31865 Light PeriwinkleLa Femme 31865 Light Periwinkle
La Femme 31865 Sale priceCHF 484

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!