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Long Formal Party Dresses & Formal Prom Gowns

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387 Item

Clarisse 810451 BlackClarisse 810451 Black
Clarisse 810451 Sale priceCHF 353
May Queen MQ1834 In BlackMay Queen MQ1834 In Black
May Queen MQ1834 Sale priceCHF 117 Regular priceCHF 147
Ladivine CD0203 BurgundyLadivine CD0203 Burgundy
Ladivine CD0203 Sale priceCHF 220 Regular priceCHF 518
Elizabeth K GL3159 - Bishop Sleeve Sequin Evening Dress Special Occasion DressElizabeth K GL3159 - Bishop Sleeve Sequin Evening Dress Special Occasion Dress
Elizabeth K GL3159 Sale priceCHF 200 Regular priceCHF 399
Jovani 09623 BlueJovani 09623 - Black
Jovani 09623 Sale priceCHF 754 Regular priceCHF 771
GLS by Gloria GL3206 LilacGLS by Gloria GL3206 Lilac
GLS by Gloria GL3206 Sale priceCHF 222 Regular priceCHF 443
Ieena Duggal 26676 In GreenIeena Duggal 26676 Olive
Ieena Duggal 26676 Sale priceCHF 352 Regular priceCHF 629
La Femme - 27971 Illusion Embroidered A-Line Dress In PurpleLa Femme - 27971 Illusion Embroidered A-Line Dress In Purple
La Femme 27971 Sale priceCHF 222 Regular priceCHF 389
SCALA 60904 RoyalSCALA 60904 Royal
SCALA 60904 Sale priceCHF 351
GLS by Gloria GL3443 FuchsiaGLS by Gloria GL3443 Fuchsia
GLS by Gloria GL3443 Sale priceCHF 161 Regular priceCHF 321
May Queen LK167 PurpleMay Queen LK167 Purple
May Queen LK167 Sale priceCHF 288 Regular priceCHF 588
Ladivine CD276
Ladivine CD276 Sale priceCHF 116 Regular priceCHF 266
Clarisse 810420 Light BlueClarisse 810420 Light Blue
Clarisse 810420 Sale priceCHF 290
Elizabeth K GL3149 BlackElizabeth K GL3149 Black
Elizabeth K GL3149 Sale priceCHF 220 Regular priceCHF 440
Mac Duggal 79357 PurpleMac Duggal 79357 Purple
Mac Duggal 79357 Sale priceCHF 984
Jovani 09516 ChampagneJovani 09516 Champagne Back
Jovani 09516 Sale priceCHF 798
SCALA 60290 EmeraldSCALA 60290 Emerald
SCALA 60290 Sale priceCHF 361
Jovani 08400 BlueJovani 08400 Blue
Jovani 08400 Sale priceCHF 523
Dancing Queen 4298Dancing Queen 4298
Dancing Queen 4298 Sale priceCHF 179 Regular priceCHF 238
Atria 6809HAtria 6809H
Atria 6809H Sale priceCHF 396
May Queen MQ1831B BlackMay Queen MQ1831B Black
May Queen MQ1831B Sale priceCHF 127
Leena Duggal 11636 GoldLeena Duggal 11636 Gold
leena Duggal 11636 Sale priceCHF 425
GLS by Gloria GL3226 LilacGLS by Gloria GL3226 Lilac
GLS by Gloria GL3226 Sale priceCHF 243 Regular priceCHF 484
Jessica Angel 2430 BlueJessica Angel 2430 Blue
Jessica Angel 2430 Sale priceCHF 362
Dancing Queen 4330Dancing Queen 4330
Dancing Queen 4330 Sale priceCHF 223 Regular priceCHF 281
May Queen RQ7949 BlueMay Queen RQ7949 Blue
May Queen RQ7949 Sale priceCHF 231
May Queen MQ1935 BlueMay Queen MQ1935 Blue
May Queen MQ1935 Sale priceCHF 114 Regular priceCHF 254
Jessica Angel 2398 RedJessica Angel 2398 Red
Jessica Angel 2398 Sale priceCHF 473
Portia and Scarlett PS23408 OrangePortia and Scarlett PS23408 Pink
Portia and Scarlett PS23408 Sale priceCHF 334
Andrea and Leo A1163 English VioletAndrea and Leo A1163 Smoky Blue
Andrea and Leo A1163 Sale priceCHF 175 Regular priceCHF 347
Mac Duggal 20353 PlumMac Duggal 20353 Plum
Mac Duggal 20353 Sale priceCHF 737
May Queen RQ7913 In BlackMay Queen RQ7913 In Black
May Queen RQ7913 Sale priceCHF 95 Regular priceCHF 231
La Femme - 30053 Beaded Bateau Neckline Sheath Dress In PurpleLa Femme - 30053 Beaded Bateau Neckline Sheath Dress In Purple
La Femme 30053 Sale priceCHF 386 Regular priceCHF 727
Jovani 22921 OrangeJovani 22921 Orange
Jovani 22921 Sale priceCHF 798
Mac Duggal 20402 In WhiteMac Duggal 20402 In White
Mac Duggal 20402 Sale priceCHF 357 Regular priceCHF 680
SCALA 61402 PurpleSCALA 61402 Purple
SCALA 61402 Sale priceCHF 485
May Queen LK191 LilacMay Queen LK191 Lilac
May Queen LK191 Sale priceCHF 265 Regular priceCHF 529
GLS by Gloria GL3369 NavyGLS by Gloria GL3369 Navy
GLS by Gloria GL3369 Sale priceCHF 200 Regular priceCHF 399
Andrea and Leo A1237 LavenderAndrea and Leo A1237 Paris Blue
Andrea and Leo A1237 Sale priceCHF 195 Regular priceCHF 393
Mac Duggal 20405 In PurpleMac Duggal 20405 In Purple
Mac Duggal 20405 Sale Sale priceCHF 357 Regular priceCHF 680
SCALA 61323 SkySCALA 61323 Sky
SCALA 61323 Sale priceCHF 418
Alyce Paris 61499 RoyalAlyce Paris 61499 Royal
Alyce Paris 61499 Sale priceCHF 263
Faviana S10813 PinkFaviana S10813 Pink
Faviana S10813 Sale priceCHF 409
Jovani 08536 in PurpleJovani 08536 in Purple
Jovani 08536 Sale priceCHF 620
GLS by Gloria GL3330 BurgundyGLS by Gloria GL3330 Burgundy
GLS by Gloria GL3330 Sale priceCHF 180 Regular priceCHF 360
Andrea and Leo A1286 LavenderAndrea and Leo A1286 Lavender
Andrea and Leo A1286 Sale priceCHF 195 Regular priceCHF 436
May Queen MQ2089 Baby BlueMay Queen MQ2089 White
May Queen MQ2089 Sale priceCHF 163
Faviana S10861 PurpleFaviana S10861 Purple
Faviana S10861 Sale priceCHF 344

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!