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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS25217 PinkPortia and Scarlett PS25217 Gold
Portia and Scarlett PS25217 Sale price4.860 kr
Portia and Scarlett PS25273 Gold
Portia and Scarlett PS25273 Sale price7.768 kr
Portia and Scarlett PS25228Portia and Scarlett PS25228
Portia and Scarlett PS25228 Sale price6.796 kr
Portia and Scarlett PS26446CPortia and Scarlett PS26446C
Portia and Scarlett PS26446C Sale price11.804 kr
Elizabeth K GL3571 Ivory/BlueElizabeth K GL3571 Ivory/Blue
Elizabeth K GL3571 Sale price8.627 kr
Elizabeth K GL3544 NavyElizabeth K GL3544 Navy
Elizabeth K GL3544 Sale price2.056 kr
Jovani 07031 - Nude/GunmetalJovani 07031 Nude/Gunmetal
Jovani 07031 Sale price14.652 kr
SCALA 61302 Ivory GreySCALA 61302 Ivory Grey
SCALA 61302 Sale price5.734 kr
Jessica Angel 2618 FuchsiaJessica Angel 2618 Fuchsia
Jessica Angel 2618 Sale price5.069 kr
Portia and Scarlett PS26051Portia and Scarlett PS26051
Portia and Scarlett PS26051 Sale price9.562 kr
Terani Couture 2021M2986 BrownTerani Couture 2021M2986 Brown
Terani Couture 2021M2986 Sale price6.773 kr
Alyce Paris 61500 RaspberryAlyce Paris 61500 Raspberry
Alyce Paris 61500 Sale price4.015 kr
Faviana S10833 BlueFaviana S10833 Blue
Faviana S10833 Sale price5.405 kr
Jovani 25687 Blue MultiJovani 25687 Blue Multi Back
Jovani 25687 Sale price7.663 kr
Mac Duggal 49679 Rose GoldMac Duggal 49679 Black Silver
Mac Duggal 49679 Sale price6.235 kr
Andrea and Leo A1326 NavyAndrea and Leo A1326 Navy
Andrea and Leo A1326 Sale price3.118 kr
May Queen RQ8140 Navy MultiMay Queen RQ8140 Navy Multi
May Queen RQ8140 Sale price1.705 kr
Ladivine CD0217 Smoky BlueLadivine CD0217 Smoky Blue
Ladivine CD0217 Sale price1.496 kr
May Queen MQ1915 RedMay Queen MQ1915 Red
May Queen MQ1915 Sale price1.989 kr
Elizabeth K GL3518 Royal BlueElizabeth K GL3518 Royal Blue
Elizabeth K GL3518 Sale price9.958 kr
Mac Duggal 50670 PurpleMac Duggal 50670 Purple
Mac Duggal 50670 Sale price6.228 kr
Elizabeth K GL3587 BlackElizabeth K GL3587 Black
Elizabeth K GL3587 Sale price3.619 kr
Faviana 11057 Forest GreenFaviana 11057 Forest Green
Faviana 11057 Sale price4.987 kr
Alyce Paris 61467 Dragon ScaleAlyce Paris 61467 Dragon Scale
Alyce Paris 61467 Sale price1.922 kr
SCALA 61405 White SilverSCALA 61405 White Silver
SCALA 61405 Sale price6.370 kr
Portia and Scarlett PS26039Portia and Scarlett PS26039
Portia and Scarlett PS26039 Sale price6.272 kr
Elizabeth K GL3622 Black/NudeElizabeth K GL3622 Black/Nude
Elizabeth K GL3622 Sale price3.619 kr
Andrea and Leo A1246 Dusty BlueAndrea and Leo A1246 Dusty Blue
Andrea and Leo A1246 Sale price5.054 kr
Mac Duggal 2239 Slate BlueMac Duggal 2239 Slate Blue
Mac Duggal 2239 Sale price9.367 kr
La Femme - 27895 Lace Applique Sheath Short Dress In Purple and GrayLa Femme - 27895 Lace Applique Sheath Short Dress In Purple and Gray
La Femme 27895 Sale price2.901 kr
Alyce Paris 61537 Pink OpalAlyce Paris 61537 Pink Opal
Alyce Paris 61537 Sale price3.678 kr
SCALA 61314 Burnt OrangeSCALA 61314 Burnt Orange
SCALA 61314 Sale price4.882 kr
Ieena Duggal 68347 ChampagneIeena Duggal 68347 Ocean
Ieena Duggal 68347 Sale Sale price2.318 kr
Faviana S10830 LilacFaviana S10830 Lilac
Faviana S10830 Sale price5.405 kr
Clarisse 811137 ChampagneClarisse 811137 Champagne
Clarisse 811137 Sale price5.771 kr
May Queen MQ1946 ChampagneMay Queen MQ1946 Champagne
May Queen MQ1946 Sale price1.197 kr
Sold outMac Duggal 49528 WineMac Duggal 49528 Wine
Mac Duggal 49528 Sale price5.398 kr
SCALA 61303 SapphireSCALA 61303 Sapphire
SCALA 61303 Sale price5.517 kr
Portia and Scarlett PS25305 Hot Pink
Portia and Scarlett PS25305 Sale price7.476 kr
SCALA 61311 PeriwinkleSCALA 61311 Periwinkle
SCALA 61311 Sale price7.439 kr
La Femme 32731 BlackLa Femme 32731 Black
La Femme 32731 Sale price4.575 kr
Andrea and Leo A1338 Midnight BlueAndrea and Leo A1338 Rose Gold
Andrea and Leo A1338 Sale price2.475 kr
Ladivine CD356 RoyalLadivine CD356
Ladivine CD356 Sale price1.668 kr
Portia and Scarlett PS25286 BlushPortia and Scarlett PS25286 Blush
Portia and Scarlett PS25286 Sale price6.796 kr
Jessica Angel 2623 Royal BlueJessica Angel 2623 Royal Blue
Jessica Angel 2623 Sale price4.598 kr
Portia and Scarlett PS26016Portia and Scarlett PS26016
Portia and Scarlett PS26016 Sale price9.861 kr
Elizabeth K GL3533 Off WhiteElizabeth K GL3533 Off White
Elizabeth K GL3533 Sale price9.621 kr
Sold outAndrea and Leo MA103Andrea and Leo MA103
Andrea and Leo MA103 Sale price4.718 kr

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!