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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS25176 PinkPortia and Scarlett PS25176 Pink
Portia and Scarlett PS25176 Sale priceCHF 916
Dancing Queen 4030AADancing Queen 4030AA
Dancing Queen 4030AA Sale priceCHF 114
Ladivine B708 SilverLadivine B708 Silver
Ladivine B708 Sale priceCHF 294 Regular priceCHF 517
Mac Duggal - 49012M Sequined High Slit Long Dress In Silver and GrayMac Duggal - 49012M Sequined High Slit Long Dress In Silver and Gray
Mac Duggal 49012 Sale priceCHF 178 Regular priceCHF 339
GLS by Gloria GL2979 Grey BlueGLS by Gloria GL2979 Grey Blue
GLS by Gloria GL2979 Sale priceCHF 278 Regular priceCHF 556
La Femme 31135 PurpleLa Femme 31135 Purple
La Femme 31135 Sale priceCHF 409
Ladivine T606Ladivine T606
Ladivine T606 Sale priceCHF 122
Jessica Angel 2562 RedJessica Angel 2562 Red
Jessica Angel 2562 Sale priceCHF 417
Mac Duggal 11782 Dusty RoseMac Duggal 11782 Dusty Rose
Mac Duggal 11782 Sale priceCHF 1,230
Alyce Paris 61577 PineAlyce Paris 61577 Pine
Alyce Paris 61577 Sale priceCHF 369
Ladivine CDS550Ladivine CDS550
Ladivine CDS550 Sale priceCHF 198
La Femme 31448 RedLa Femme 31448 Blue
La Femme 31448 Sale priceCHF 311
Portia and Scarlett PS26270Portia and Scarlett PS26270
Portia and Scarlett PS26270 Sale priceCHF 646
Ieena Duggal 68336 Blue MultiIeena Duggal 68336 Blue Multi
Ieena Duggal 68336 Sale priceCHF 194 Regular priceCHF 351
Mac Duggal 9229 Slate BlueMac Duggal 9229 Slate Blue
Mac Duggal 9229 Sale priceCHF 408
Dancing Queen 4274Dancing Queen 4274
Dancing Queen 4274 Sale priceCHF 134
Ladivine C148 Dusty MauveLadivine C148 Dusty Mauve
Ladivine C148 Sale priceCHF 138 Regular priceCHF 278
Portia and Scarlett PS26077Portia and Scarlett PS26077
Portia and Scarlett PS26077 Sale priceCHF 752
Mac Duggal 70124 Gold SilverMac Duggal 70124 Gold Silver
Mac Duggal 70124 Sale priceCHF 358 Regular priceCHF 713
Elizabeth K GL3142 Bahama BlueElizabeth K GL3142 Bahama Blue
Elizabeth K GL3142 Sale priceCHF 220 Regular priceCHF 440
GLS by Gloria GL3285 MagentaGLS by Gloria GL3285 Magenta
GLS by Gloria GL3285 Sale priceCHF 180 Regular priceCHF 360
Portia and Scarlett PS26419CPortia and Scarlett PS26419C
Portia and Scarlett PS26419C Sale priceCHF 769
Alyce Paris 27481 In CharoalAlyce Paris 27481 In Charoal
Alyce Paris 27481 Sale priceCHF 334
Alyce Paris 61722 Diamond White/Light LatteAlyce Paris 61722 Hot Fuchsia
Alyce Paris 61722 Sale priceFrom CHF 304
Jessica Angel 2395 BlackJessica Angel 2395 Black
Jessica Angel 2395 Sale priceCHF 547
Jovani 23361 MintJovani 23361 Mint Back
Jovani 23361 Sale priceCHF 974
Mac Duggal 67782 BlackMac Duggal 67782 Black
Mac Duggal 67782 Sale priceCHF 572
Portia and Scarlett PS26299
Portia and Scarlett PS26299 Sale priceCHF 493
Ladivine CDS417 Dusty BlueLadivine CDS417 Champagne
Ladivine CDS417 Sale priceCHF 177
Ladivine J886Ladivine J886
Ladivine J886 Sale priceCHF 247
Andrea and Leo A1388Andrea and Leo A1388
Andrea and Leo A1388 Sale priceCHF 301
Terani Couture 2021E2796 In GreenTerani Couture 2021E2796 In Green
Terani Couture 2021E2796 Sale priceCHF 686
May Queen MQ1914 BlackMay Queen MQ1914 Black
May Queen MQ1914 Sale priceCHF 68 Regular priceCHF 130
Mac Duggal 20388 NavyMac Duggal 20388 Navy
Mac Duggal 20388 Sale priceCHF 572
Clarisse 810733 Powder BlueClarisse 810733 Powder Blue
Clarisse 810733 Sale priceCHF 252
Alyce Paris 61679 GoldAlyce Paris 61679 Gold
Alyce Paris 61679 Sale priceCHF 430
SCALA 61318 MaroonSCALA 61318 Maroon
SCALA 61318 Sale priceCHF 384
Faviana 11025 Lilacvideowise-widget-6675879ca76a3d00290aacea-9942928785601
Faviana 11025 Sale priceCHF 278
Alyce Paris 61698 Black/CopperAlyce Paris 61698 Black/Copper
Alyce Paris 61698 Sale priceCHF 351
Portia and Scarlett PS26021Portia and Scarlett PS26021
Portia and Scarlett PS26021 Sale priceCHF 482
Faviana 11027 Black/SunburstFaviana 11027 Black/Sunburst
Faviana 11027 Sale priceCHF 392
Mac Duggal 20330 RedMac Duggal 20330 Red
Mac Duggal 20330 Sale priceCHF 291 Regular priceCHF 680
Mac Duggal 5685Mac Duggal 5685
Mac Duggal 5685 Sale Sale priceCHF 241 Regular priceCHF 425
GLS by Gloria GL3284 IvoryGLS by Gloria GL3284 Ivory
GLS by Gloria GL3284 Sale priceCHF 241 Regular priceCHF 481
Mac Duggal - 5611 Ruffled One Shoulder Gown In GreenMac Duggal - 5611 Ruffled One Shoulder Gown In Green
Mac Duggal 5611 Sale Sale priceCHF 209 Regular priceCHF 268
SCALA 48938 ASCALA 48938 A
SCALA 48938 A Sale priceCHF 334
Clarisse 810451 BlackClarisse 810451 Black
Clarisse 810451 Sale priceCHF 353
Mac Duggal 5472Mac Duggal 5472
Mac Duggal 5472 Sale priceCHF 408

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!