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Long Formal Party Dresses & Formal Prom Gowns

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Jessica Angel 2420 RedJessica Angel 2420 Red
Jessica Angel 2420 Sale priceCHF 832
Alyce Paris 61588 Electric LimeAlyce Paris 61588 Electric Lime
Alyce Paris 61588 Sale priceCHF 307
Elizabeth K GL3019 In PinkElizabeth K GL3019 In Neutral
Elizabeth K GL3019 Sale priceCHF 749 Regular priceCHF 1,496
May Queen RQ7949 BlueMay Queen RQ7949 Blue
May Queen RQ7949 Sale priceCHF 230
Ladivine 7493WCLadivine 7493WC
Ladivine 7493WC Sale priceCHF 196
SCALA 60366SCALA 60366
SCALA 60366 Sale priceCHF 333 Regular priceCHF 392
Elizabeth K GL2601Elizabeth K GL2601
Elizabeth K GL2601 Sale priceCHF 509
Clarisse 810581 BlackClarisse 810581 Black
Clarisse 810581 Sale priceCHF 520
May Queen MQ1935 BlueMay Queen MQ1935 Blue
May Queen MQ1935 Sale priceCHF 114 Regular priceCHF 254
La Femme 32915 ChampagneLa Femme 32915 Champagne
La Femme 32915 Sale priceCHF 533
Jessica Angel 2398 RedJessica Angel 2398 Red
Jessica Angel 2398 Sale priceCHF 472
Portia and Scarlett PS25247 BlushPortia and Scarlett PS25247 Blush
Portia and Scarlett PS25247 Sale priceCHF 534
Portia and Scarlett PS23273 GreenPortia and Scarlett PS23273 Gray Silver
Portia and Scarlett PS23273 Sale priceCHF 584
Mac Duggal 93789 Nude GoldMac Duggal 93789 Nude Gold
Mac Duggal 93789 Sale priceCHF 489
La Femme 32684 BlackLa Femme 32684 Black
La Femme 32684 Sale priceCHF 261
May Queen RQ7986May Queen RQ7986
May Queen RQ7986 Sale priceCHF 114 Regular priceCHF 134
Mac Duggal - 93540D Asymmetric Gold Sequined Slit Gown In GoldMac Duggal - 93540D Asymmetric Gold Sequined Slit Gown In Gold
Mac Duggal 93540 Sale Sale priceCHF 259 Regular priceCHF 509
Elizabeth K GL3523 TiffanyElizabeth K GL3523 Tiffany
Elizabeth K GL3523 Sale priceCHF 886
Jovani 07306 PinkJovani 07306 Pink
Jovani 07306 Sale priceCHF 664
Andrea and Leo A1247 BlueAndrea and Leo A1247 Pink
Andrea and Leo A1247 Sale priceCHF 195 Regular priceCHF 401
Ladivine CD275 BlackLadivine CD275 Black
Ladivine CD275 Sale priceCHF 138 Regular priceCHF 313
Alyce Paris 61408Alyce Paris 61408
Alyce Paris 61408 Sale priceCHF 206
Faviana 9555 RoyalFaviana 9555 Royal
Faviana 9555 Sale priceCHF 408
SCALA 61339 RedSCALA 61339 Red
SCALA 61339 Sale priceCHF 350
Portia and Scarlett PS25630E BlackPortia and Scarlett PS25630E Black
Portia and Scarlett PS25630E Sale priceCHF 584
SCALA 60294 ChmapagneSCALA 60294 Chmapagne
SCALA 60294 Sale priceCHF 443
Jessica Angel 2554 RedJessica Angel 2554 Red
Jessica Angel 2554 Sale priceCHF 453
La Femme - 28099 Crystal Beaded Lace Trumpet Formal Dress In PinkLa Femme - 28099 Crystal Beaded Lace Trumpet Formal Dress In Silver & Gray
La Femme 28099 Sale priceCHF 408 Regular priceCHF 504
Alyce Paris 61875 LagoonAlyce Paris 61875 Lagoon
Alyce Paris 61875 Sale priceCHF 235 Regular priceCHF 273
Elizabeth K GL3556 SilverElizabeth K GL3556 Silver
Elizabeth K GL3556 Sale priceCHF 235
Jessica Angel 2531 RedJessica Angel 2531 Red
Jessica Angel 2531 Sale priceCHF 416
May Queen MQ1940 BlackMay Queen MQ1940 Black
May Queen MQ1940 Sale priceCHF 76 Regular priceCHF 154
Andrea and Leo A1377Andrea and Leo A1377
Andrea and Leo A1377 Sale priceCHF 352
Faviana ES10891 BlackFaviana ES10891 Black
Faviana ES10891 Sale priceCHF 327
Ladivine CD962 MauveLadivine CD962 Mauve
Ladivine CD962 Sale priceCHF 246 Regular priceCHF 266
La Femme 32951 ChampagneLa Femme 32951 Champagne
La Femme 32951 Sale priceCHF 294
Clarisse 811251 TurquoiseClarisse 811251 Turquoise
Clarisse 811251 Sale priceCHF 362
La Femme 30637 Pink and OrangeLa Femme 30637 Pink and Orange
La Femme 30637 Sale priceCHF 360
May Queen MQ1967 RedMay Queen MQ1967 Red
May Queen MQ1967 Sale priceCHF 77 Regular priceCHF 178
Clarisse 810807 Black/NudeClarisse 810807 Black/Nude
Clarisse 810807 Sale priceCHF 382
Elizabeth K GL3113 BlackElizabeth K GL3113 Black
Elizabeth K GL3113 Sale priceCHF 219 Regular priceCHF 436
May Queen MQ2144 SageMay Queen MQ2144 Sage
May Queen MQ2144 Sale priceCHF 202
Mac Duggal 68094 In PinkMac Duggal 68094 In Pink
Mac Duggal 68094 Sale priceCHF 325
Jovani 07581 RedJovani 07581 Red
Jovani 07581 Sale priceCHF 699
Elizabeth K GL1960Elizabeth K GL1960
Elizabeth K GL1960 Sale priceCHF 717 Regular priceCHF 1,434
Portia and Scarlett PS23408 OrangePortia and Scarlett PS23408 Pink
Portia and Scarlett PS23408 Sale priceCHF 333
Mac Duggal 68222 Apple GreenMac Duggal 68222 Apple Green
Mac Duggal 68222 Sale priceCHF 408
Jovani 37974 Pink SilverJovani 37974 Pink Silver
Jovani 37974 Sale priceCHF 335

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!