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Long Formal Party Dresses & Formal Prom Gowns

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Jessica Angel 2598 RedJessica Angel 2598 Red
Jessica Angel 2598 Sale priceCHF 411
SCALA 60173SCALA 60173
SCALA 60173 Sale priceCHF 454
Portia and Scarlett PS25272 BluePortia and Scarlett PS25272 Blue
Portia and Scarlett PS25272 Sale priceCHF 526
Faviana 11232 Ice PinkFaviana 11232 Ice Pink
Faviana 11232 Sale priceCHF 386
Clarisse 810407 Charcoalvideowise-widget-6675879ca76a3d00290aacea-7496191508673
Clarisse 810407 Sale priceCHF 345
Clarisse 811003 Royal MultiClarisse 811003 Royal Multi
Clarisse 811003 Sale priceCHF 398
Ladivine CC1618 Powder BlueLadivine CC1618 Emerald
Ladivine CC1618 Sale priceCHF 136 Regular priceCHF 220
Clarisse 810587 PinkClarisse 810587 Pink
Clarisse 810587 Sale priceCHF 281 Regular priceCHF 488
La Femme - 28105 Floral V Neck A-Line Long Dress In Silver and GrayLa Femme - 28105 Floral V Neck A-Line Long Dress In Silver and Gray
La Femme 28105 Sale priceCHF 403 Regular priceCHF 465
Primavera 4331Primavera 4331
Primavera 4331 Sale priceCHF 463
Primavera 4301Primavera 4301
Primavera 4301 Sale priceCHF 463
Andrea and Leo A1289 ChampagneAndrea and Leo A1289 Champagne
Andrea and Leo A1289 Sale priceCHF 229
Clarisse 810458 FlamingoClarisse 810458 Flamingo
Clarisse 810458 Sale priceCHF 476
Ieena Duggal 26598 NudeIeena Duggal 26598 Nude
Ieena Duggal 26598 Sale Sale priceCHF 180 Regular priceCHF 334
Portia and Scarlett PS25640EPortia and Scarlett PS25640E
Portia and Scarlett PS25640E Sale priceCHF 329
La Femme - 30164 Quarter-Length Sleeves Mermaid Dress In NeutralLa Femme - 30164 Quarter-Length Sleeves Mermaid Dress In Neutral
La Femme 30164 Sale priceCHF 380 Regular priceCHF 617
Ladivine CD380 Light BlueLadivine CD380 Dusty Rose
Ladivine CD380 Sale priceCHF 143
La Femme 32932 Dark TealLa Femme 32932 Royal Blue
La Femme 32932 Sale priceCHF 257
Portia and Scarlett PS22157 in BluePortia and Scarlett PS22157 in White
Portia and Scarlett PS22157 Sale priceCHF 174 Regular priceCHF 411
Ladivine B1141 SilverLadivine B1141 Silver
Ladivine B1141 Sale priceCHF 109 Regular priceCHF 190
GLS by Gloria GL3256 ChampagneGLS by Gloria GL3256 Champagne
GLS by Gloria GL3256 Sale priceCHF 257 Regular priceCHF 514
Atria 7037HAtria 7037H
Atria 7037H Sale priceCHF 396
Faviana 11411Faviana 11411
Faviana 11411 Sale priceCHF 516
Alyce Paris 61667 Black/MultiAlyce Paris 61667 Black/Multi
Alyce Paris 61667 Sale priceCHF 502
Portia and Scarlett PS25324 PinkPortia and Scarlett PS25324 Pink
Portia and Scarlett PS25324 Sale priceCHF 602
Alyce Paris 61889 AubergineAlyce Paris 61889 Aubergine
Alyce Paris 61889 Sale priceCHF 327
Jessica Angel 2413 FuchsiaJessica Angel 2413 Fuchsia
Jessica Angel 2413 Sale priceCHF 502
Andrea and Leo A1403Andrea and Leo A1403
Andrea and Leo A1403 Sale priceCHF 212
Alyce Paris 61373 WhiteAlyce Paris 61373 White
Alyce Paris 61373 Sale priceCHF 155
Terani Couture 252E5116Terani Couture 252E5116
Terani Couture 252E5116 Sale priceCHF 530
La Femme 33034 FuchsiaLa Femme 33034 Fuchsia
La Femme 33034 Sale priceCHF 274
Portia and Scarlett PS26422CPortia and Scarlett PS26422C
Portia and Scarlett PS26422C Sale priceCHF 683
Ladivine KV1142CLadivine KV1142C
Ladivine KV1142C Sale priceCHF 253
La Femme - 30021 Embroidered Bateau Neckline Sheath Dress In GoldLa Femme - 30021 Embroidered Bateau Neckline Sheath Dress In Gold
La Femme 30021 Sale priceCHF 353 Regular priceCHF 535
SCALA 61403 BronzeSCALA 61403 Bronze
SCALA 61403 Sale priceCHF 461
Jessica Angel 2623 Royal BlueJessica Angel 2623 Royal Blue
Jessica Angel 2623 Sale priceCHF 356
Jessica Angel 2465 MagentaJessica Angel 2465 Magenta
Jessica Angel 2465 Sale priceCHF 539
Jovani 24097 GreenJovani 24097 Green
Jovani 24097 Sale priceCHF 568
Alyce Paris 61595 Dragon ScaleAlyce Paris 61595 Dragon Scale
Alyce Paris 61595 Sale priceCHF 485
Elizabeth K GL3164 Baby BlueElizabeth K GL3164 Baby Blue
Elizabeth K GL3164 Sale priceCHF 217 Regular priceCHF 433
Dancing Queen 4334Dancing Queen 4334
Dancing Queen 4334 Sale priceCHF 219
Mac Duggal - 35109 Flutter Sleeve Beaded Gown In PurpleMac Duggal 35109 Aubergine
Mac Duggal 35109 Sale priceCHF 564
Ieena Duggal 20741 BlackIeena Duggal 20741 Black
Ieena Duggal 20741 Sale priceCHF 344 Regular priceCHF 601
Jessica Angel 2509 RedJessica Angel 2509 Red
Jessica Angel 2509 Sale priceCHF 393
Faviana 11438Faviana 11438
Faviana 11438 Sale priceCHF 451
Mac Duggal 49872 ChartreuseMac Duggal 49872 Chartreuse
Mac Duggal 49872 Sale priceCHF 414
SCALA 60179 MermaidSCALA 60179 Mermaid
SCALA 60179 Sale priceCHF 454
Ellie Wilde EW37005Ellie Wilde EW37005
Ellie Wilde EW37005 Sale priceCHF 382

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!