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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3358 LilacGLS by Gloria GL3358 Lilac
GLS by Gloria GL3358 Sale priceCHF 302 Regular priceCHF 604
La Femme 32675 Light PeriwinkleLa Femme 32675 Light Periwinkle
La Femme 32675 Sale priceCHF 409
GLS by Gloria GL3033 In RedGLS by Gloria GL3033 In Red
GLS by Gloria GL3033 Sale priceCHF 298 Regular priceCHF 595
Elizabeth K GL3611 Light BlueElizabeth K GL3611 Light Blue
Elizabeth K GL3611 Sale priceCHF 914
La Femme 32767 Cloud BlueLa Femme 32767 Lavender
La Femme 32767 Sale priceCHF 386
Alyce Paris 61514 Neon PinkAlyce Paris 61514 Neon Pink
Alyce Paris 61514 Sale priceCHF 510
Jovani 22792 BlueJovani 22792 Blue
Jovani 22792 Sale priceCHF 798
Portia and Scarlett PS26236Portia and Scarlett PS26236
Portia and Scarlett PS26236 Sale priceCHF 1,005
La Femme 32754 Royal BlueLa Femme 32754 Royal Blue
La Femme 32754 Sale priceCHF 386
Clarisse 810809 SageClarisse 810809 Sage
Clarisse 810809 Sale priceCHF 521
Mac Duggal 20189 TaupeMac Duggal 20189 Taupe
Mac Duggal 20189 Sale priceCHF 357 Regular priceCHF 681
GLS by Gloria GL3393 LilacGLS by Gloria GL3393 Lilac
GLS by Gloria GL3393 Sale priceCHF 200 Regular priceCHF 400
Mac Duggal - 67498 Floral Long Sleeve A-Line Gown In BlueMac Duggal - 67498 Floral Long Sleeve A-Line Gown In Silver
Mac Duggal A67498 Sale priceCHF 459 Regular priceCHF 655
May Queen LK264 RosegoldMay Queen LK264 Rosegold
May Queen LK264 Sale priceCHF 465
Elizabeth K GL3577 Ice BlueElizabeth K GL3577 Ice Blue
Elizabeth K GL3577 Sale priceCHF 883
Andrea and Leo A1314 SilverAndrea and Leo A1314 Silver
Andrea and Leo A1314 Sale priceCHF 746
La Femme 32646 Royal BlueLa Femme 32646 Royal Blue
La Femme 32646 Sale priceCHF 386
GLS by Gloria GL3012 In PinkGLS by Gloria GL3012 In White
GLS by Gloria GL3012 Sale priceCHF 281 Regular priceCHF 562
Andrea and Leo A1133 MultiAndrea and Leo A1133 Multi
Andrea and Leo A1133 Sale priceCHF 371
Andrea and Leo A1259 SageAndrea and Leo A1259 Sage
Andrea and Leo A1259 Sale priceCHF 204
GLS by Gloria GL3249 Light PinkGLS by Gloria GL3249 Light Pink
GLS by Gloria GL3249 Sale priceCHF 261 Regular priceCHF 522
Alyce Paris 61513 Neon MagentaAlyce Paris 61513 Neon Magenta
Alyce Paris 61513 Sale priceCHF 351
GLS by Gloria GL3463 Hot PinkGLS by Gloria GL3463 Hot Pink
GLS by Gloria GL3463 Sale priceCHF 259 Regular priceCHF 516
Elizabeth K GL1914 ChampangeElizabeth K GL1914 Champange
Elizabeth K GL1914 Sale priceCHF 705
Mac Duggal 20365 BlackMac Duggal 20365 Black
Mac Duggal 20365 Sale priceCHF 655
Andrea and Leo A1278 Lapis Bluevideowise-widget-6675879ca76a3d00290aacea-10133594800321
Andrea and Leo A1278 Sale priceCHF 441
GLS by Gloria GL3254 Dark SageGLS by Gloria GL3254 Dark Sage
GLS by Gloria GL3254 Sale priceCHF 221 Regular priceCHF 441
GLS by Gloria GL3377 SageGLS by Gloria GL3377 Sage
GLS by Gloria GL3377 Sale priceCHF 222 Regular priceCHF 443
Portia and Scarlett PS26208Portia and Scarlett PS26208
Portia and Scarlett PS26208 Sale priceCHF 694
Ladivine CM323 Navy GoldLadivine CM323 Navy Gold
Ladivine CM323 Sale priceCHF 99 Regular priceCHF 228
Ieena Duggal 30776 BlackIeena Duggal 30776 Black
Ieena Duggal 30776 Sale priceCHF 409
Andrea and Leo A1248 SageAndrea and Leo A1248 Sage
Andrea and Leo A1248 Sale priceCHF 284
La Femme 30639 BlackLa Femme 30639 Black
La Femme 30639 Sale priceCHF 370
Dancing Queen 4320Dancing Queen 4320
Dancing Queen 4320 Sale priceCHF 224
Ladivine CD994 BlueLadivine CD994 Silver
Ladivine CD994 Sale priceCHF 136 Regular priceCHF 283
May Queen RQ7983 BlueMay Queen RQ7983 Blue
May Queen RQ7983 Sale priceCHF 134 Regular priceCHF 224
Portia and Scarlett PS26102Portia and Scarlett PS26102
Portia and Scarlett PS26102 Sale priceCHF 605
La Femme 32721 PeriwinkleLa Femme 32721 Periwinkle
La Femme 32721 Sale priceCHF 409
La Femme 31592 GreenLa Femme 31592 Blue
La Femme 31592 Sale priceCHF 311
Ladivine CDS512W Off WhiteLadivine CDS512W - OFF WHITE
Ladivine CDS512W Sale priceCHF 261
Elizabeth K GL3555Elizabeth K GL3555
Elizabeth K GL3555 Sale priceCHF 783
GLS by Gloria GL3015 In WhiteGLS by Gloria GL3015 In White
GLS by Gloria GL3015 Sale priceCHF 321 Regular priceCHF 641
GLS by Gloria GL1834 LavenderGLS by Gloria GL1834 Lavender
GLS by Gloria GL1834 Sale priceCHF 333 Regular priceCHF 665
Ieena Duggal 68090 In BlackIeena Duggal 68090 In Black
Ieena Duggal 68090 Sale priceCHF 269 Regular priceCHF 569
May Queen MQ1885 In PurpleMay Queen MQ1885 In Purple
May Queen MQ1885 Sale priceCHF 179
Elizabeth K GL3519 SilverElizabeth K GL3519 Silver
Elizabeth K GL3519 Sale priceCHF 664
La Femme 32875 BlushLa Femme 32875 Light Periwinkle
La Femme 32875 Sale priceCHF 409
La Femme 32838 IndigoLa Femme 32838 Indigo
La Femme 32838 Sale priceCHF 386

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!