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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS26099Portia and Scarlett PS26099
Portia and Scarlett PS26099 Sale priceCHF 635
Portia and Scarlett PS26215Portia and Scarlett PS26215
Portia and Scarlett PS26215 Sale priceCHF 799
Portia and Scarlett PS25308Portia and Scarlett PS25308
Portia and Scarlett PS25308 Sale priceCHF 604
Ladivine CD0234 Lt BlueLadivine CD0234 Smoky Blue
Ladivine CD0234 Sale priceCHF 198
Portia and Scarlett PS26037Portia and Scarlett PS26037
Portia and Scarlett PS26037 Sale priceCHF 693
Alyce Paris 61866 Black/PinkAlyce Paris 61866 Black/Pink
Alyce Paris 61866 Sale priceCHF 365
Portia and Scarlett PS25316 PinkPortia and Scarlett PS25316 Lilac
Portia and Scarlett PS25316 Sale priceCHF 588
Alyce Paris 61846 MidnightAlyce Paris 61846 Midnight
Alyce Paris 61846 Sale priceCHF 414
Jovani 44511 LilacJovani 44511 Lilac
Jovani 44511 Sale priceCHF 495
Portia and Scarlett PS25306Portia and Scarlett PS25306 Hot Pink
Portia and Scarlett PS25306 Sale priceCHF 504
Alyce Paris 61909 Light Yellow MultiAlyce Paris 61909 Light Yellow Multi
Alyce Paris 61909 Sale priceCHF 414
Alyce Paris 61865 Pink/MultiAlyce Paris 61865 Pink/Multi
Alyce Paris 61865 Sale priceCHF 390
Alyce Paris 61824 RoyalAlyce Paris 61824 Royal
Alyce Paris 61824 Sale priceCHF 391
Alyce Paris 61774 RoyalAlyce Paris 61774 Royal
Alyce Paris 61774 Sale priceCHF 464
PS25165-White-BlackPS25165-White Black
Portia and Scarlett PS25165 Sale priceCHF 535
Jovani 40394 YellowJovani 40394 Yellow
Jovani 40394 Sale priceCHF 701
La Femme 32128 Dark BerryLa Femme 32128 Dark Berry
La Femme 32128 Sale priceCHF 573
Portia and Scarlett PS22230 in PurplePortia and Scarlett PS22230 in Red
Portia and Scarlett PS22230 Sale priceCHF 183 Regular priceCHF 451
La Femme 31997 Light PeriwinkleLa Femme 31997 Light Periwinkle
La Femme 31997 Sale priceCHF 491
La Femme 32288 Lavender GrayLa Femme 32288 Lavender Gray
La Femme 32288 Sale priceCHF 491
La Femme 31433 Light PeriwinkleLa Femme 31433 Light Periwinkle
La Femme 31433 Sale priceCHF 245
La Femme 28985 Dark EmeraldLa Femme 28985 Red
La Femme 28985 Sale priceCHF 409
Andrea and Leo A0824 MidnightAndrea and Leo A0824 Midnight
Andrea and Leo A0824 Sale priceCHF 273 Regular priceCHF 503
La Femme 31363 SageLa Femme 31363 Sage
La Femme 31363 Sale priceCHF 409
La Femme 32346 EmeraldLa Femme 32346 Emerald
La Femme 32346 Sale priceCHF 491
La Femme 31506 Neon PinkLa Femme 31506 Neon Pink
La Femme 31506 Sale priceCHF 294
Faviana S10252 JadeFaviana S10252 Jade
Faviana S10252 Sale priceCHF 294
Sold outLadivine C150 Dusty TealLadivine C150 Dusty Teal
Ladivine C150 Sale priceCHF 177
La Femme 31471 Dark BerryLa Femme 31471 Dark Berry
La Femme 31471 Sale priceCHF 393
La Femme 32065 Dark EmeraldLa Femme 32065 Dark Emerald
La Femme 32065 Sale priceCHF 393
La Femme 32147 EmeraldLa Femme 32147 Emerald
La Femme 32147 Sale priceCHF 573
La Femme 32345 BlackLa Femme 32345 Black
La Femme 32345 Sale priceCHF 622
La Femme 30498 Dark BerryLa Femme 30498 Dark Berry
La Femme 30498 Sale priceCHF 360
La Femme 32438 SageLa Femme 32438 Sage
La Femme 32438 Sale priceCHF 491
La Femme 32072 BlackLa Femme 32072 Black
La Femme 32072 Sale priceCHF 491
La Femme 32019 BlackLa Femme 32019 Black
La Femme 32019 Sale priceCHF 524
La Femme 32137 Neon PinkLa Femme 32137 Neon Pink
La Femme 32137 Sale priceCHF 491
La Femme 31542 SageLa Femme 31542 Sage
La Femme 31542 Sale priceCHF 327
La Femme 32204 Dark EmeraldLa Femme 32204 Dark Emerald
La Femme 32204 Sale priceCHF 342
La Femme 32029 BlackLa Femme 32029 Black
La Femme 32029 Sale priceCHF 491
La Femme 32335 Light PeriwinkleLa Femme 32335 Light Periwinkle
La Femme 32335 Sale priceCHF 573
La Femme 31570 Light PeriwinkleLa Femme 31570 Light Periwinkle
La Femme 31570 Sale priceCHF 458
La Femme 32156 LavenderLa Femme 32156 Lavender
La Femme 32156 Sale priceCHF 491
La Femme 31939 LavenderLa Femme 31939 Lavender
La Femme 31939 Sale priceCHF 491
Andrea and Leo A0767 BlueAndrea and Leo A0767 Blush
Andrea and Leo A0767 Sale priceCHF 389 Regular priceCHF 713
La Femme 31457 Dark BerryLa Femme 31457 Dark Berry
La Femme 31457 Sale priceCHF 311
Portia and Scarlett PS21228 SilverPortia and Scarlett PS21228 Silver
Portia and Scarlett PS21228 Sale priceCHF 528 Regular priceCHF 706
Ladivine CB144 MauveLadivine CB144 Sage
Ladivine CB144 Sale priceCHF 156 Regular priceCHF 333

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!