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Long Formal Party Dresses & Formal Prom Gowns

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Jovani 09063 TomatoJovani 09063 Tomato
Jovani 09063 Sale priceCHF 559
Mac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In Silver and GrayMac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In Silver and Gray
Mac Duggal 11165 Sale priceCHF 645
Ellie Wilde EW36004Ellie Wilde EW36004
Ellie Wilde EW36004 Sale priceCHF 417
Mac Duggal - 5496 Lattice Sequined Long Gown In BlueMac Duggal - 5496 Lattice Sequined Long Gown In Blue
Mac Duggal A5496 Sale priceCHF 479 Regular priceCHF 634
Elizabeth K GL1969 BlushElizabeth K GL1969 Blush
Elizabeth K GL1969 Sale priceCHF 507 Regular priceCHF 1,014
Atria 6855HAtria 6855H
Atria 6855H Sale priceCHF 390
Faviana 9570 Dark EmeraldFaviana 9570 Dark Emerald
Faviana 9570 Sale priceCHF 386
La Femme 31592 GreenLa Femme 31592 Blue
La Femme 31592 Sale priceCHF 306
Andrea and Leo A1113 GreeneryAndrea and Leo A1113 Greenery
Andrea and Leo A1113 Sale priceCHF 349 Regular priceCHF 617
Jovani23577 BlueMulti_2Jovani23577BlueMulti Back
Jovani 23577 Sale priceCHF 690
Faviana 11412Faviana 11412
Faviana 11412 Sale priceCHF 435
Mac Duggal - 25846I V Neck Open Back High Slit Evening Dress In Purple in BlackMac Duggal - 25846I V Neck Open Back High Slit Evening Dress In Purple
Mac Duggal 25846I Sale Sale priceCHF 115 Regular priceCHF 230
Atria 6807HAtria 6807H
Atria 6807H Sale priceCHF 374
SCALA 60407SCALA 60407
SCALA 60407 Sale priceCHF 395
Ieena Duggal - 26571 Draped Sequin Gown With Slit In BrownIeena Duggal - 26571 Draped Sequin Gown With Slit In Brown
Ieena Duggal 26571 Sale Sale priceCHF 180 Regular priceCHF 334
Dancing Queen 4325Dancing Queen 4325
Dancing Queen 4325 Sale priceCHF 176 Regular priceCHF 234
PS25161-PinkPS25161-Black Bk
Portia and Scarlett PS25161 Sale priceCHF 377
Andrea and Leo A1337 RedAndrea and Leo A1337 Red
Andrea and Leo A1337 Sale priceCHF 260
Ladivine CD801 Smoky BlueLadivine CD801 Emerald
Ladivine CD801 Sale priceCHF 177
La Femme 33473La Femme 33473
La Femme 33473 Sale priceCHF 380
Ladivine CD384WLadivine CD384W
Ladivine CD384W Sale priceCHF 198
La Femme 32707 Cloud BlueLa Femme 32707 Cloud Blue
La Femme 32707 Sale priceCHF 380
Andrea and Leo A1341 RedAndrea and Leo A1341 Blush
Andrea and Leo A1341 Sale priceCHF 153 Regular priceCHF 324
Faviana 11084 Light BlueFaviana 11084 Light Blue
Faviana 11084 Sale priceCHF 386
Ieena Duggal 27175 Antique GoldIeena Duggal 27175 Antique Gold
Ieena Duggal 27175 Sale priceCHF 418
Alyce Paris 61525 RosewoodAlyce Paris 61525 Rosewood
Alyce Paris 61525 Sale priceCHF 658
Clarisse 62210Clarisse 62210
Clarisse 62210 Sale priceCHF 430
Alyce Paris 27173Alyce Paris 27173
Alyce Paris 27173 Sale priceCHF 187 Regular priceCHF 351
Mac Duggal 67966 In Purple MultiMac Duggal 67966 In Purple Multi
Mac Duggal 67966 Sale priceCHF 402
GLS by Gloria GL3464 Baby BlueGLS by Gloria GL3464 Baby Blue
GLS by Gloria GL3464 Sale priceCHF 255 Regular priceCHF 508
Ellie Wilde EW37070Ellie Wilde EW37070
Ellie Wilde EW37070 Sale priceCHF 428
La Femme 32914 BlackLa Femme 32914 Black
La Femme 32914 Sale priceCHF 322
Ladivine 7499 Dusty BlueLadivine 7499 Dusty Blue
Ladivine 7499 Sale priceCHF 87
Atria 6804HAtria 6804H
Atria 6804H Sale priceCHF 398
Ladivine CD686Ladivine CD686
Ladivine CD686 Sale priceCHF 196
Faviana 11256 RedFaviana 11256 Red
Faviana 11256 Sale priceCHF 386
Ladivine CD0175 Rose GoldLadivine CD0175 Mocha Gold
Ladivine CD0175 Sale priceCHF 149
Ladivine CB075 In NeutralLadivine CB075 Mauve
Ladivine CB075 Sale priceCHF 110 Regular priceCHF 202
Ladivine CD684Ladivine CD684
Ladivine CD684 Sale priceCHF 395
La Femme 32582 EmeraldLa Femme 32582 Emerald
La Femme 32582 Sale priceCHF 380
Mac Duggal 48803 BlackMac Duggal 48803 Black
Mac Duggal 48803 Sale priceCHF 556
Mac Duggal 5538 GrayMac Duggal 5538 Gray
Mac Duggal 5538 Sale Sale priceCHF 263 Regular priceCHF 502
La Femme - 27981 Quarter Sleeve Sheer Lace Dress In PinkLa Femme - 27981 Quarter Sleeve Sheer Lace Dress In Pink
La Femme 27981 Sale priceCHF 353 Regular priceCHF 530
Clarisse 810703 Orange SherbertClarisse 810703 Orange Sherbert
Clarisse 810703 Sale priceCHF 292
Dancing Queen 4341Dancing Queen 4341
Dancing Queen 4341 Sale priceCHF 248
SCALA 61325 Dusty PinkSCALA 61325 Dusty Pink
SCALA 61325 Sale priceCHF 428
La Femme 32357 BlackLa Femme 32357 Black
La Femme 32357 Sale priceCHF 322
Dancing Queen 4317Dancing Queen 4317
Dancing Queen 4317 Sale priceCHF 248

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!