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Long Formal Party Dresses & Formal Prom Gowns

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Elizabeth K GL3533 Off WhiteElizabeth K GL3533 Off White
Elizabeth K GL3533 Sale priceCHF 745
Portia and Scarlett PS26039Portia and Scarlett PS26039
Portia and Scarlett PS26039 Sale priceCHF 486
Ladivine CD996 RedLadivine CD996 Red
Ladivine CD996 Sale priceCHF 68 Regular priceCHF 134
Terani Couture 2021E2878Terani Couture 2021E2878
Terani Couture 2021E2878 Sale priceCHF 706
La Femme 29635 In BlackLa Femme 29635 In Black
La Femme 29635 Sale priceCHF 322 Regular priceCHF 429
GLS by Gloria GL3280 Smoky BlueGLS by Gloria GL3280 Smoky Blue
GLS by Gloria GL3280 Sale priceCHF 178 Regular priceCHF 356
Alyce Paris 61429 BlueAlyce Paris 61429 Blue
Alyce Paris 61429 Sale priceCHF 155
Alyce Paris 61508 FuchsiaAlyce Paris 61508 Fuchsia
Alyce Paris 61508 Sale priceCHF 415
Ladivine CC463Ladivine CC463
Ladivine CC463 Sale priceCHF 190
Mac Duggal 67911 BlackMac Duggal 67911 Black
Mac Duggal 67911 B Sale priceCHF 502
Mac Duggal 42135 PurpleMac Duggal 42135 Black
Mac Duggal 42135 Sale Sale priceCHF 189 Regular priceCHF 329
GLS by Gloria GL3228 Hot PinkGLS by Gloria GL3228 Hot Pink
GLS by Gloria GL3228 Sale priceCHF 237 Regular priceCHF 474
SCALA 47542 DSCALA 47542 D
SCALA 47542 D Sale priceCHF 355
La Femme 32646 Royal BlueLa Femme 32646 Royal Blue
La Femme 32646 Sale priceCHF 380
Clarisse 811106Clarisse 811106
Clarisse 811106 Sale priceCHF 582
Ladivine J877 Smoky BlueLadivine J877 Smoky Blue
Ladivine J877 Sale priceCHF 87 Regular priceCHF 178
Portia and Scarlett PS25298 BluePortia and Scarlett PS25298 Blue
Portia and Scarlett PS25298 Sale priceCHF 377
leena Duggal 68558 Purple Multileena Duggal 68558 Purple Multi
leena Duggal 68558 Sale priceCHF 221 Regular priceCHF 430
Ladivine T714Ladivine T714
Ladivine T714 Sale priceCHF 79
SCALA 60369SCALA 60369
SCALA 60369 Sale priceCHF 428 Regular priceCHF 485
Ladivine CDS557Ladivine CDS557
Ladivine CDS557 Sale priceCHF 253
Alyce Paris 61393 OrangeAlyce Paris 61393 Orange
Alyce Paris 61393 Sale priceCHF 204
Portia and Scarlett PS25323 PurplePortia and Scarlett PS25323 Purple
Portia and Scarlett PS25323 Sale priceCHF 504
Andrea and Leo A1142 BlueAndrea and Leo A1142 Blue
Andrea and Leo A1142 Sale priceCHF 158 Regular priceCHF 360
Primavera 4528Primavera 4528
Primavera 4528 Sale priceCHF 500
SCALA 60723 Wine/GoldSCALA 60723 Wine/Gold
SCALA 60723 Sale priceCHF 428
Ladivine KV1137Ladivine KV1137
Ladivine KV1137 Sale priceCHF 398
Jessica Angel 2536 Black MultiJessica Angel 2536 Black Multi
Jessica Angel 2536 Sale priceCHF 447
Jovani 09516 ChampagneJovani 09516 Champagne Back
Jovani 09516 Sale priceCHF 786
Portia and Scarlett PS25626E
ChampagnePortia and Scarlett PS25626E
Champagne
Portia and Scarlett PS25626E Sale priceCHF 823
La Femme 32931 RedLa Femme 32931 Black
La Femme 32931 Sale priceCHF 380
Clarisse 811121 RoyalClarisse 811121 Royal
Clarisse 811121 Sale priceCHF 334
Ieena Duggal 495191 Apple GreenIeena Duggal 495191 Apple Green
Ieena Duggal 495191 Sale priceCHF 202
Ladivine CT264Ladivine CT264
Ladivine CT264 Sale priceCHF 201
Mac Duggal 67871 MidnightMac Duggal 67871 Midnight
Mac Duggal 67871 Sale priceCHF 414
Terani Couture 1721GL4446Terani Couture 1721GL4446
Terani Couture 1721GL4446 Sale priceCHF 1,240
La Femme 31135 PurpleLa Femme 31135 Purple
La Femme 31135 Sale priceCHF 403
Ieena Duggal 26731 BlackIeena Duggal 26731 Black
Ieena Duggal 26731 Sale priceCHF 334
SCALA 61321 Red MultiSCALA 61321 Red Multi
SCALA 61321 Sale priceCHF 428
Portia and Scarlett PS22538 in PinkPortia and Scarlett PS22538 Red
Portia and Scarlett PS22538 Sale priceCHF 433
Portia and Scarlett PS26034Portia and Scarlett PS26034
Portia and Scarlett PS26034 Sale priceCHF 625
Ladivine CD411Ladivine CD411
Ladivine CD411 Sale priceCHF 139
Ladivine CD243 ChampagneLadivine CD243 Petal Blush
Ladivine CD243 Sale priceCHF 99 Regular priceCHF 208
Jovani 23942 RoyalJovani 23942 Royal
Jovani 23942 Sale priceCHF 1,135
Ladivine CM383 PeacockLadivine CM383 Peacock
Ladivine CM383 Sale priceCHF 261
La Femme - 29242 Satin V-Neck Homecoming Dress In Greengrade 8 grad dresses, graduation dressesLa Femme - 29242 Satin V-Neck Homecoming Dress In Greengrade 8 grad dresses, graduation dresses
La Femme 29242 Sale priceCHF 161
Ladivine CC475 Dusty RoseLadivine CC475 Dusty Blue
Ladivine CC475 Sale priceCHF 190
Portia and Scarlett PS25322 Purple
Portia and Scarlett PS25322 Sale priceCHF 286

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!