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Long Formal Party Dresses & Formal Prom Gowns

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Jessica Angel 2621 TurquoiseJessica Angel 2621 Turquoise
Jessica Angel 2621 Sale priceCHF 356
SCALA 60368SCALA 60368
SCALA 60368 Sale priceCHF 428 Regular priceCHF 485
Cinderella Divine - 7258W Off WhiteLadivine - 7258W Beaded Lace Off Shoulder Chiffon Gown In White
Ladivine 7258W Sale priceCHF 154
La Femme 30246La Femme 30246
La Femme 30246 Sale priceCHF 76
La Femme 32383 Light PeriwinkleLa Femme 32383 Light Periwinkle
La Femme 32383 Sale priceCHF 290
Alyce Paris 61669 Blue RadianceAlyce Paris 61669 Blue Radiance
Alyce Paris 61669 Sale priceCHF 381
Elizabeth K GL3144 YellowElizabeth K GL3144 Yellow
Elizabeth K GL3144 Sale priceCHF 197 Regular priceCHF 393
Atria 6866HAtria 6866H
Atria 6866H Sale priceCHF 396
SCALA 60395SCALA 60395
SCALA 60395 Sale priceCHF 378
GLS by Gloria GL2985GLS by Gloria GL2985
GLS by Gloria GL2985 Sale priceCHF 307 Regular priceCHF 614
La Femme - 27935 Sheer Neckline Short Sleeve Lattice Lace A-Line Gown In MauveLa Femme - 27935 Sheer Neckline Short Sleeve Lattice Lace A-Line Gown In Blue
La Femme 27935 Sale priceCHF 353 Regular priceCHF 530
Mac Duggal 68053Mac Duggal 68053
Mac Duggal 68053 Sale priceCHF 320
Mac Duggal 93653 PurpleMac Duggal 93653 Purple
Mac Duggal 93653 Sale priceCHF 564
Elizabeth K GL3557 GoldElizabeth K GL3557 Gold
Elizabeth K GL3557 Sale priceCHF 252
Jovani 08255 Ivory BlueJovani 08255 Ivory Blue
Jovani 08255 Sale priceCHF 515
Portia and Scarlett PS26263Portia and Scarlett PS26263
Portia and Scarlett PS26263 Sale priceCHF 521
Alyce Paris 61617 Cerulean BlueAlyce Paris 61617 Cerulean Blue
Alyce Paris 61617 Sale priceCHF 346
Faviana 11071E NavyFaviana 11071E Navy
Faviana 11071E Sale priceCHF 322
Faviana 9604Faviana 9604
Faviana 9604 Sale priceCHF 435
Faviana 11248 RedFaviana 11248 Red
Faviana 11248 Sale priceCHF 322
Ladivine CD0238 Black NudeLadivine CD0238 Black Nude
Ladivine CD0238 Sale priceCHF 261
Elizabeth K GL3542 ChampagneElizabeth K GL3542 Champagne
Elizabeth K GL3542 Sale priceCHF 192
Alyce Paris 61561 MintAlyce Paris 61561 Mint
Alyce Paris 61561 Sale priceCHF 346
SCALA 61200 Black/SapphireSCALA 61200 Black/Sapphire
SCALA 61200 Sale priceCHF 477
Faviana S10845 BlueFaviana S10845 Blue
Faviana S10845 Sale priceCHF 403
Mac Duggal 68094 In PinkMac Duggal 68094 In Pink
Mac Duggal 68094 Sale priceCHF 320
Faviana 11439Faviana 11439
Faviana 11439 Sale priceCHF 435
Elizabeth K GL3536 Off WhiteElizabeth K GL3536 Off White
Elizabeth K GL3536 Sale priceCHF 900
Portia and Scarlett PS25624E PinkPortia and Scarlett PS25624E Pink
Portia and Scarlett PS25624E Sale priceCHF 494
Terani Couture 252M5324Terani Couture 252M5324
Terani Couture 252M5324 Sale priceCHF 596
Jessica Angel 2503 RedJessica Angel 2503 Red
Jessica Angel 2503 Sale priceCHF 447
Jovani 36928 LimeJovani 36928 Lime
Jovani 36928 Sale priceCHF 690
La Femme 32675 Light PeriwinkleLa Femme 32675 Light Periwinkle
La Femme 32675 Sale priceCHF 403
GLS by Gloria GL3033 In RedGLS by Gloria GL3033 In Red
GLS by Gloria GL3033 Sale priceCHF 293 Regular priceCHF 586
Andrea and Leo A1260 SageAndrea and Leo A1260 Sage
Andrea and Leo A1260 Sale priceCHF 192 Regular priceCHF 436
Jessica Angel 2638 Light YellowJessica Angel 2638 Light Yellow
Jessica Angel 2638 Sale priceCHF 502
Dancing Queen 4344Dancing Queen 4344
Dancing Queen 4344 Sale priceCHF 227
Andrea and Leo A1171 EmeraldAndrea and Leo A1171 Emerald
Andrea and Leo A1171 Sale priceCHF 211 Regular priceCHF 475
Elizabeth K GL3628 PinkElizabeth K GL3628 Pink
Elizabeth K GL3628 Sale priceCHF 192
Primavera 4522Primavera 4522
Primavera 4522 Sale priceCHF 493
Mac Duggal 93939Mac Duggal 93939
Mac Duggal 93939 Sale priceCHF 645
SCALA 61353 BlushSCALA 61353 Blush
SCALA 61353 Sale priceCHF 444
Ladivine CD787 EmeraldLadivine CD787 Black
Ladivine CD787 Sale priceCHF 109 Regular priceCHF 189
Faviana S10864 GreenFaviana S10864 Green
Faviana S10864 Sale priceCHF 338
Jovani 49634 GoldJovani 49634 Gold
Jovani 49634 Sale priceCHF 786
May Queen LK262 Dusty RoseMay Queen LK262 Dusty Rose
May Queen LK262 Sale priceCHF 764
La Femme 32579 Dark_BerryLa Femme 32579 Dark_Berry
La Femme 32579 Sale priceCHF 380
La Femme - 29316 Strappy Back V Neck Fitted Dress In RedLa Femme - 29316 Strappy Back V Neck Fitted Dress In Blue
La Femme 29316 Sale priceCHF 76

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!