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Long Formal Party Dresses & Formal Prom Gowns

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La Femme - 27915 Ornate Lace Short Sleeve Long Dress In PinkLa Femme - 27915 Ornate Lace Short Sleeve Long Dress In Blue
La Femme 27915 Sale priceCHF 327 Regular priceCHF 504
May Queen LK264 RosegoldMay Queen LK264 Rosegold
May Queen LK264 Sale priceCHF 464
Alyce Paris 61930 Hot PinkAlyce Paris 61930 Hot Pink
Alyce Paris 61930 Sale priceCHF 303
Andrea and Leo A1436Andrea and Leo A1436
Andrea and Leo A1436 Sale priceCHF 507
Elizabeth K GL3577 Ice BlueElizabeth K GL3577 Ice Blue
Elizabeth K GL3577 Sale priceCHF 881
Ladivine T712Ladivine T712
Ladivine T712 Sale priceCHF 122
SCALA 61324 GoldSCALA 61324 Gold
SCALA 61324 Sale priceCHF 600
Ladivine CDS450 BlueLadivine CDS450 Blue
Ladivine CDS450 Sale priceCHF 158
Jovani 23201 OrangeJovani 23201 Orange
Jovani 23201 Sale priceCHF 522
Portia and Scarlett PS26406CPortia and Scarlett PS26406C
Portia and Scarlett PS26406C Sale priceCHF 774
La Femme - 27935 Sheer Neckline Short Sleeve Lattice Lace A-Line Gown In MauveLa Femme - 27935 Sheer Neckline Short Sleeve Lattice Lace A-Line Gown In Blue
La Femme 27935 Sale priceCHF 358 Regular priceCHF 537
Ieena Duggal 49648 RedIeena Duggal 49648 Red
Ieena Duggal 49648 Sale priceCHF 390
Andrea and Leo A1314 SilverAndrea and Leo A1314 Silver
Andrea and Leo A1314 Sale priceCHF 745
Faviana S10800 Dark EmeraldFaviana S10800 Dark Emerald
Faviana S10800 Sale priceCHF 392
Jessica Angel 2578 RedJessica Angel 2578 Red
Jessica Angel 2578 Sale priceCHF 546
Alyce Paris 61934 Hot PinkAlyce Paris 61934 Hot Pink
Alyce Paris 61934 Sale priceCHF 364
Mac Duggal 68568 BlackMac Duggal 68568 Black
Mac Duggal 68568 Sale priceCHF 375
Elizabeth K GL3562 NavyElizabeth K GL3562 Champagne
Elizabeth K GL3562 Sale priceCHF 223
La Femme 32646 Royal BlueLa Femme 32646 Royal Blue
La Femme 32646 Sale priceCHF 385
Ladivine CDS547Ladivine CDS547
Ladivine CDS547 Sale priceCHF 343
SCALA 61346 RoyalSCALA 61346 Royal
SCALA 61346 Sale priceCHF 433
GLS by Gloria GL3012 In PinkGLS by Gloria GL3012 In White
GLS by Gloria GL3012 Sale priceCHF 281 Regular priceCHF 561
SCALA 60368SCALA 60368
SCALA 60368 Sale priceCHF 433 Regular priceCHF 492
SCALA 60173SCALA 60173
SCALA 60173 Sale priceCHF 460
Elizabeth K GL3150 BlackElizabeth K GL3150 Black
Elizabeth K GL3150 Sale priceCHF 200 Regular priceCHF 399
Andrea and Leo A1133 MultiAndrea and Leo A1133 Multi
Andrea and Leo A1133 Sale priceCHF 370
May Queen RQ8163 MauveMay Queen RQ8163 Mauve
May Queen RQ8163 Sale priceCHF 381
Andrea and Leo A1259 SageAndrea and Leo A1259 Sage
Andrea and Leo A1259 Sale priceCHF 204
Jessica Angel 2617 PeacockJessica Angel 2617 Peacock
Jessica Angel 2617 Sale priceCHF 416
PS25161-PinkPS25161-Black Bk
Portia and Scarlett PS25161 Sale priceCHF 382
GLS by Gloria GL3249 Light PinkGLS by Gloria GL3249 Light Pink
GLS by Gloria GL3249 Sale priceCHF 261 Regular priceCHF 521
SCALA 60380SCALA 60380
SCALA 60380 Sale priceCHF 383
SCALA 60371SCALA 60371
SCALA 60371 Sale priceCHF 400
Elizabeth K GL3602 Off WhiteElizabeth K GL3602 Off White
Elizabeth K GL3602 Sale priceCHF 886
Mac Duggal 20428 CinnamonMac Duggal 20428 Cinnamon
Mac Duggal 20428 Sale priceCHF 653
Alyce Paris 61513 Neon MagentaAlyce Paris 61513 Neon Magenta
Alyce Paris 61513 Sale priceCHF 351
Elizabeth K GL3569 BlackElizabeth K GL3569 Black
Elizabeth K GL3569 Sale priceCHF 304
GLS by Gloria GL3463 Hot PinkGLS by Gloria GL3463 Hot Pink
GLS by Gloria GL3463 Sale priceCHF 258 Regular priceCHF 515
Alyce Paris 61452Alyce Paris 61452
Alyce Paris 61452 Sale priceCHF 132
Elizabeth K GL1914 ChampangeElizabeth K GL1914 Champange
Elizabeth K GL1914 Sale priceCHF 703
Jovani 07065 ChampagneJovani 07065 Champagne
Jovani 07065 Sale priceCHF 664 Regular priceCHF 686
Mac Duggal 11810 BlackMac Duggal 11810 Black
Mac Duggal 11810 Sale priceCHF 615 Regular priceCHF 1,534
Atria 6868HAtria 6868H
Atria 6868H Sale priceCHF 403
Faviana S10823 RedFaviana S10823 Red
Faviana S10823 Sale priceCHF 392
Mac Duggal 20365 BlackMac Duggal 20365 Black
Mac Duggal 20365 Sale priceCHF 653
Andrea and Leo A1278 Lapis Bluevideowise-widget-6675879ca76a3d00290aacea-10133594800321
Andrea and Leo A1278 Sale priceCHF 440
Jessica Angel 2386 RedJessica Angel 2386 Red
Jessica Angel 2386 Sale priceCHF 361
Portia and Scarlett PS25171 FuchsiaPortia and Scarlett PS25171 Fuchsia
Portia and Scarlett PS25171 Sale priceCHF 343

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!