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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3212 Light GreenGLS by Gloria GL3212 Light Green
GLS by Gloria GL3212 Sale priceCHF 244
Portia and Scarlett PS25324 PinkPortia and Scarlett PS25324 Pink
Portia and Scarlett PS25324 Sale priceCHF 612
Alyce Paris 61748 MultiAlyce Paris 61748 Multi
Alyce Paris 61748 Sale priceCHF 382
La Femme 32884 EmeraldLa Femme 32884 Indigo
La Femme 32884 Sale priceCHF 245
May Queen RQ7937 RedMay Queen RQ7937 Red
May Queen RQ7937 Sale priceCHF 115 Regular priceCHF 290
Mac Duggal 27109 GreenMac Duggal 27109 Green
Mac Duggal 27109 Sale priceCHF 326
Clarisse 810912 NavyClarisse 810912 Navy
Clarisse 810912 Sale priceCHF 365
Andrea and Leo A1330 BlushAndrea and Leo A1330 Blush
Andrea and Leo A1330 Sale priceCHF 256
GLS by Gloria GL3280 Smoky BlueGLS by Gloria GL3280 Smoky Blue
GLS by Gloria GL3280 Sale priceCHF 181 Regular priceCHF 362
Ieena Duggal 27145 Black MultiIeena Duggal 27145 Black Multi
Ieena Duggal 27145 Sale priceCHF 425
MayQueen RQ8150 Dusty BlueMayQueen RQ8150 Dusty Blue
May Queen RQ8150 Sale priceCHF 274
Alyce Paris 61727 Diamond White/SilverAlyce Paris 61727 Diamond White/Silver
Alyce Paris 61727 Sale priceCHF 444
May Queen MQ2136 SageMay Queen MQ2136 Sage
May Queen MQ2136 Sale priceCHF 180
SCALA 61331 RustSCALA 61331 Rust
SCALA 61331 Sale priceCHF 367
Alyce Paris 61525 RosewoodAlyce Paris 61525 Rosewood
Alyce Paris 61525 Sale priceCHF 669
Mac Duggal 24003 BlackMac Duggal 24003 Black
Mac Duggal 24003 Sale priceCHF 491
Ieena Duggal 26598 BlackIeena Duggal 26598 Black
Ieena Duggal 26598 Sale priceCHF 326
Faviana 11245Faviana 11245
Faviana 11245 Sale priceCHF 426
May Queen RQ7979 BlueMay Queen RQ7979 Blue
May Queen RQ7979 Sale priceCHF 199 Regular priceCHF 316
La Femme 32995 MochaLa Femme 32995 Purple
La Femme 32995 Sale priceCHF 278
Mac Duggal - 11293 Petal High Low A-Line Gown In BlackMac Duggal - 11293 Petal High Low A-Line Gown In Pink
Mac Duggal 11293 Sale priceCHF 408
Ieena Duggal 55708 In BrownIeena Duggal 55708 In Brown
Ieena Duggal 55708 Sale Sale priceCHF 183 Regular priceCHF 340
Jessica Angel 843 Neon PinkJessica Angel 843 Neon Pink
Jessica Angel 843 Sale priceCHF 455
Ladivine CD210C Metallic BlueLadivine CD210C Metallic Blue
Ladivine CD210C Sale priceCHF 185
Faviana 11054 RoyalFaviana 11054 Royal
Faviana 11054 Sale priceCHF 409
Sold outMac Duggal - 93574D Long Sleeve Plunging Beaded Gown In PinkMac Duggal - 93574D Long Sleeve Plunging Beaded Gown In Pink
Mac Duggal 93574 Sale priceCHF 260 Regular priceCHF 510
Elizabeth K GL1912 Rose GoldElizabeth K GL1912 Rose Gold
Elizabeth K GL1912 Sale priceCHF 701 Regular priceCHF 1,401
Jessica Angel 794 WhiteJessica Angel 794 White
Jessica Angel 794 Sale priceCHF 390
Andrea and Leo A1201 LavenderAndrea and Leo A1201 Hot Pink
Andrea and Leo A1201 Sale priceCHF 195 Regular priceCHF 434
Clarisse 810910 Blue OmbreClarisse 810910
Clarisse 810910 Sale priceCHF 335
Sold outMac Duggal 27593 Emerald MultiMac Duggal 27593 Emerald Multi
Mac Duggal 27593 Sale priceCHF 655
Faviana 11011 Dark EmeraldFaviana 11011 Dark Emerald
Faviana 11011 Sale priceCHF 327
Dancing Queen 4324Dancing Queen 4324
Dancing Queen 4324 Sale priceCHF 157
Jessica Angel 2599 Neon PinkJessica Angel 2599 Neon Pink
Jessica Angel 2599 Sale priceCHF 371
Portia and Scarlett PS26042Portia and Scarlett PS26042
Portia and Scarlett PS26042 Sale priceCHF 506
Atria 6812HAtria 6812H
Atria 6812H Sale priceCHF 405
Mac Duggal - 20264 Deep V-Neck Pleated A-Line Gown In BlueMac Duggal - 20264 Deep V-Neck Pleated A-Line Gown In Blue
Mac Duggal 20264 Sale priceCHF 490
Portia and Scarlett PS25240Portia and Scarlett PS25240 Emerald
Portia and Scarlett PS25240 Sale priceCHF 306
Elizabeth K GL3576 PurpleElizabeth K GL3576 Purple
Elizabeth K GL3576 Sale priceCHF 889
Mac Duggal 20377 In PinkMac Duggal 20377 In Pink
Mac Duggal 20377 Sale priceCHF 209 Regular priceCHF 410
Portia and Scarlett PS25207 SilverPortia and Scarlett PS25207 Silver
Portia and Scarlett PS25207 Sale priceCHF 535
La Femme 33019 BlushLa Femme 33019 Blush
La Femme 33019 Sale priceCHF 475
Mac Duggal 8172 Nude MultiMac Duggal 8172 Nude Multi
Mac Duggal 8172 Sale priceCHF 376
Elizabeth K GL3545 IvoryElizabeth K GL3545 Ivory
Elizabeth K GL3545 Sale priceCHF 234
Elizabeth K GL1969 BlushElizabeth K GL1969 Blush
Elizabeth K GL1969 Sale priceCHF 516 Regular priceCHF 1,031
La Femme 32680 BlackLa Femme 32680 Black
La Femme 32680 Sale priceCHF 359
Alyce Paris 61699 Black/GoldAlyce Paris 61699 Black/Gold
Alyce Paris 61699 Sale priceCHF 440
Clarisse 810559 RedClarisse 810559 Red Blue
Clarisse 810559 Sale priceCHF 353 Regular priceCHF 459

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!