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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3135 Baby BlueGLS by Gloria GL3135 Baby Blue
GLS by Gloria GL3135 Sale priceCHF 301 Regular priceCHF 600
La Femme 32366 NudeLa Femme 32366 Nude
La Femme 32366 Sale priceCHF 458
Mayqueen RQ7864 long royal blue off shoulder sequin top evening gown. Full length flowy dress w/ tulle skirt is perfect for  enagagement/e-shoot dress, sweet 16, debut, formal evening party dress, prom, engagement, wedding reception. Plus sizes avail.jpgMayqueen RQ7864 long royal blue off shoulder sequin top evening gown. Full length flowy dress w/ tulle skirt is perfect for  enagagement/e-shoot dress,sweet 16, debut, formal evening party dress, prom, engagement, wedding reception. Plus sizes avail-b.jpg
May Queen RQ7864 Sale priceCHF 115 Regular priceCHF 281
May Queen RQ8160 Black NudeMay Queen RQ8160 Black Nude
May Queen RQ8160 Sale priceCHF 219 Regular priceCHF 295
Sold outLadivine CM347 Azalea PinkLadivine CM347 Azalea Pink
Ladivine CM347 Sale priceCHF 197 Regular priceCHF 408
Ladivine CD254 Champagne GoldLadivine CD254 Navy
Ladivine CD254 Sale priceCHF 79 Regular priceCHF 172
Portia and Scarlett PS25287Portia and Scarlett PS25287 Plum
Portia and Scarlett PS25287 Sale priceCHF 535
Clarisse 811242 RoyalClarisse 811242 Royal
Clarisse 811242 Sale priceCHF 363
Portia and Scarlett PS26126Portia and Scarlett PS26126
Portia and Scarlett PS26126 Sale priceCHF 482
Alyce Paris 61887 Purple/MultiAlyce Paris 61887 Purple/Multi
Alyce Paris 61887 Sale priceCHF 294 Regular priceCHF 400
Clarisse 810521 Ivory/Winter BlueClarisse 810521 Ivory/Winter Blue
Clarisse 810521 Sale priceCHF 446
Elizabeth K GL3565 BlackElizabeth K GL3565 Black
Elizabeth K GL3565 Sale priceCHF 184
Mac Duggal 20701 BlackMac Duggal 20701 Black
Mac Duggal 20701 Sale priceCHF 737
Elizabeth K GL3567 RedElizabeth K GL3567 Red
Elizabeth K GL3567 Sale priceCHF 183
La Femme 32825 Deep RedLa Femme 32825 Ivory
La Femme 32825 Sale priceCHF 311
Alyce Paris 61798 Fuchsia/BlackAlyce Paris 61798 Fuchsia/Black
Alyce Paris 61798 Sale priceCHF 324
May Queen RQ7953 BlueMay Queen RQ7953 Blue
May Queen RQ7953 Sale priceCHF 154 Regular priceCHF 467
GLS by Gloria GL3391 FuchsiaGLS by Gloria GL3391 Fuchsia
GLS by Gloria GL3391 Sale priceCHF 302 Regular priceCHF 603
May Queen MQ2106 SageMay Queen MQ2106 Sage
May Queen MQ2106 Sale priceCHF 235
Ladivine CD371W WhiteLadivine CD371W White
Ladivine CD371W Sale priceCHF 205
GLS by Gloria GL3453 Smoky BlueGLS by Gloria GL3453 Smoky Blue
GLS by Gloria GL3453 Sale priceCHF 201 Regular priceCHF 402
Elizabeth K GL3619 Misty BlueElizabeth K GL3619 Misty Blue
Elizabeth K GL3619 Sale priceCHF 142
Clarisse 811319 LilacClarisse 811319 Lilac
Clarisse 811319 Sale priceCHF 538
Ladivine CB131 ChampagneLadivine CB131 Champagne
Ladivine CB131 Sale priceCHF 157 Regular priceCHF 310
Ladivine 7495 BurgundyLadivine 7495 Emerald
Ladivine 7495 Sale priceCHF 79 Regular priceCHF 156
Clarisse 811161 Sky BlueClarisse 811161 Sky Blue
Clarisse 811161 Sale priceCHF 308
La Femme 32996 BlackLa Femme 32996 Black
La Femme 32996 Sale priceCHF 311
La Femme 32686 PinkLa Femme 32686 Pink
La Femme 32686 Sale priceCHF 386
GLS by Gloria GL3251 Blue/PeachGLS by Gloria GL3251 Blue/Peach
GLS by Gloria GL3251 Sale priceCHF 220 Regular priceCHF 440
Portia and Scarlett PS26235Portia and Scarlett PS26235
Portia and Scarlett PS26235 Sale priceCHF 799
La Femme 33044 LavenderLa Femme 33044 Lavender
La Femme 33044 Sale priceCHF 311
Elizabeth K GL3524 LavenderElizabeth K GL3524 Lavender
Elizabeth K GL3524 Sale priceCHF 783
May Queen RQ8148 SageMay Queen RQ8148 Sage
May Queen RQ8148 Sale priceCHF 253
Elizabeth K GL3628 PinkElizabeth K GL3628 Pink
Elizabeth K GL3628 Sale priceCHF 195
May Queen RQ7954 PinkMay Queen RQ7954 Pink
May Queen RQ7954 Sale priceCHF 179 Regular priceCHF 224
May Queen MQ2135 Dusty BlueMay Queen MQ2135 Dusty Blue
May Queen MQ2135 Sale priceCHF 225
May Queen RQ8165 BlackMay Queen RQ8165 Black
May Queen RQ8165 Sale priceCHF 253
Jovani 23368 RedJovani 23368 Red
Jovani 23368 Sale priceCHF 524
La Femme 32808 BlackLa Femme 32808 Black
La Femme 32808 Sale priceCHF 327
Elizabeth K GL3547 PinkElizabeth K GL3547 Pink
Elizabeth K GL3547 Sale priceCHF 914
May Queen RQ8146 Off WhiteMay Queen RQ8146 Off White
May Queen RQ8146 Sale priceCHF 404
Ladivine CD269WLadivine CD269W
Ladivine CD269W Sale priceCHF 138 Regular priceCHF 277
GLS by Gloria GL3205 Hot PinkGLS by Gloria GL3205 Hot Pink
GLS by Gloria GL3205 Sale priceCHF 343 Regular priceCHF 685
GLS by Gloria GL3396 Baby BlueGLS by Gloria GL3396 Baby Blue
GLS by Gloria GL3396 Sale priceCHF 280 Regular priceCHF 559
Clarisse 810721 Light BlueClarisse 810721 Light Blue
Clarisse 810721 Sale priceCHF 371
Andrea and Leo A1365Andrea and Leo A1365
Andrea and Leo A1365 Sale priceCHF 398
La Femme 32877 PennyLa Femme 32877 Penny
La Femme 32877 Sale priceCHF 278
Alyce Paris 61770 Black/SilverAlyce Paris 61770 Black/Silver
Alyce Paris 61770 Sale priceCHF 431

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!