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Long Formal Party Dresses & Formal Prom Gowns

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Clarisse 810438 GreenClarisse 810438 Blue
Clarisse 810438 - MF Sale priceCHF 297
Mac Duggal Cocktail - 5472D Lattice Beaded V-Neck Dress In Multi-colorMac Duggal Cocktail - 5472D Lattice Beaded V-Neck Dress In Silver & Gray
Mac Duggal 5472D - MF Sale priceCHF 418 Regular priceCHF 476
Clarisse 810752 Light PinkClarisse 810752 Light Mint
Clarisse 810752-MF Sale priceCHF 337
Ieena Duggal 27154 BlackIeena Duggal 27154 Black
Ieena Duggal 27154 - MF Sale priceCHF 176 Regular priceCHF 322
Mac Duggal 5240 PlatinumMac Duggal 5240 Platinum
Mac Duggal 5240D-MF Sale priceCHF 353 Regular priceCHF 560
Faviana 11001 Spring/PinkFaviana 11001 Spring/Pink
Faviana 11001 - MF Sale priceCHF 234 Regular priceCHF 351
Mayqueen MQ1718 long champagne fitted strapless dress w/high slit. This sleek & sexy light gold dress is perfect as a bridesmaid dress, prom dress, formal wedding guest dress, gala, black tie event, engagement/e-shoot dress. Plus sizes availableMay Queen MQ1718 - MF
May Queen MQ1718 - MF Sale priceCHF 206
Mac Duggal Cocktail - 10764D Bishop Sleeve Sequin Dress In PurpleMac Duggal Cocktail - 10764D Bishop Sleeve Sequin Dress In Champagne & Gold
Mac Duggal 10764D - MF Sale priceCHF 334 Regular priceCHF 392
Mac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In BlushMac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In Blush
Mac Duggal 11165 Sale Sale priceCHF 357 Regular priceCHF 668
Ladivine CH225Ladivine CH225
Ladivine CH225 Sale priceCHF 123
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Ladivine CF199 Sale priceCHF 79 Regular priceCHF 164
Clarisse 810755Clarisse 810755
Clarisse 810755 Sale priceCHF 367
Portia and Scarlett PS26033Portia and Scarlett PS26033
Portia and Scarlett PS26033 Sale priceCHF 605
Sold outIeena Duggal 70100 BlackIeena Duggal 70100 Black
Ieena Duggal 70100-MF Sale priceCHF 206 Regular priceCHF 334
Sold outLadivine CC2488Ladivine CC2488
Ladivine CC2488 Sale priceCHF 398
Ladivine CD717Ladivine CD717
Ladivine CD717 Sale priceCHF 246
Ladivine CK2405Ladivine CK2405
Ladivine CK2405 Sale priceCHF 198
Ladivine CD733Ladivine CD733
Ladivine CD733 Sale priceCHF 300
Ladivine KV1129Ladivine KV1129
Ladivine KV1129 Sale priceCHF 344
Ladivine KV1130Ladivine KV1130
Ladivine KV1130 Sale priceCHF 441
Ladivine CDS549Ladivine CDS549
Ladivine CDS549 Sale priceCHF 221
Sold outLadivine 7451WLadivine 7451W
Ladivine 7451W Sale priceCHF 171
Faviana 9608Faviana 9608
Faviana 9608 Sale priceCHF 409
Sold outFaviana 9603Faviana 9603
Faviana 9603 Sale priceCHF 409
Sold outFaviana 9606Faviana 9606
Faviana 9606 Sale priceCHF 368
Sold outFaviana 9604Faviana 9604
Faviana 9604 Sale priceCHF 442
Sold outFaviana 9600Faviana 9600
Faviana 9600 Sale priceCHF 409
Faviana 11467Faviana 11467
Faviana 11467 Sale priceCHF 409
Sold outFaviana 11463Faviana 11463
Faviana 11463 Sale priceCHF 442
Sold outFaviana 11458Faviana 11458
Faviana 11458 Sale priceCHF 294
Sold outFaviana 11457Faviana 11457
Faviana 11457 Sale priceCHF 327
Sold outWoman wearing a blue evening gown with lace bodice in front of a stone building.Woman wearing a blue evening gown with lace detailing in front of a stone building, branded 'Faviana'.
Faviana 11415 Sale priceCHF 392
Sold outFaviana 11446Faviana 11446
Faviana 11446 Sale priceCHF 475
Faviana 11444Faviana 11444
Faviana 11444 Sale priceCHF 475
Sold outFaviana 11439Faviana 11439
Faviana 11439 Sale priceCHF 442
Faviana 11438Faviana 11438
Faviana 11438 Sale priceCHF 458
Sold outFaviana 11435Faviana 11435
Faviana 11435 Sale priceCHF 392
Sold outFaviana 11433Faviana 11433
Faviana 11433 Sale priceCHF 409
Faviana 11428Faviana 11428
Faviana 11428 Sale priceCHF 442
Faviana 11424Faviana 11424
Faviana 11424 Sale priceCHF 409
Faviana 11418Faviana 11418
Faviana 11418 Sale priceCHF 409
Faviana 11414Faviana 11414
Faviana 11414 Sale priceCHF 409
Sold outFaviana 11413Faviana 11413
Faviana 11413 Sale priceCHF 442
Sold outFaviana 11410Faviana 11410
Faviana 11410 Sale priceCHF 533
Sold outFaviana 11409Faviana 11409
Faviana 11409 Sale priceCHF 533
Sold outLa Femme 32326 Hot FuchsiaLa Femme 32326 Hot Fuchsia
La Femme 32326 - MF Sale priceCHF 394
Sold outMac Duggal 20372 ChocolateMac Duggal 20372 Chocolate
Mac Duggal 20372 - MF Sale priceCHF 341 Regular priceCHF 680
Sold outMac Duggal 67871 MidnightMac Duggal 67871 Midnight
Mac Duggal 67871 - MF Sale priceCHF 490

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!