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Long Formal Party Dresses & Formal Prom Gowns

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May Queen LK167 PurpleMay Queen LK167 Purple
May Queen LK167 Sale priceCHF 288 Regular priceCHF 588
Ladivine CD276
Ladivine CD276 Sale priceCHF 116 Regular priceCHF 266
Ladivine J836 EmeraldLadivine J836 Royal
Ladivine J836 Sale priceCHF 99 Regular priceCHF 203
La Femme - 30721 Beaded Corset Tulle A-Line Dress In PinkLa Femme - 30721 Beaded Corset Tulle A-Line Dress In Pink
La Femme 30721 Sale priceCHF 89 Regular priceCHF 331
Ladivine B707 In SilverLadivine B707 In Silver
Ladivine B707 Sale priceCHF 391 Regular priceCHF 645
Mac Duggal 67869 In SilverMac Duggal 67869 In Silver
Mac Duggal 67869 Sale priceCHF 655
Portia and Scarlett PS26091Portia and Scarlett PS26091
Portia and Scarlett PS26091 Sale priceCHF 682
Jovani 23625 GoldJovani 23625 Gold Back
Jovani 23625 Sale priceCHF 878
Mac Duggal 68349 BlackMac Duggal 68349 Black
Mac Duggal 68349 Sale priceCHF 490
Andrea and Leo A1239 Light YellowAndrea and Leo A1239 Peony Pink
Andrea and Leo A1239 Sale priceCHF 195 Regular priceCHF 414
Mac Duggal 20478 MidnightMac Duggal 20478 Midnight
Mac Duggal 20478 Sale priceCHF 572
Dancing Queen 4328Dancing Queen 4328
Dancing Queen 4328 Sale priceCHF 211
GLS by Gloria GL3356 YellowGLS by Gloria GL3356 Yellow
GLS by Gloria GL3356 Sale priceCHF 241 Regular priceCHF 481
Andrea and Leo A1341 RedAndrea and Leo A1341 Blush
Andrea and Leo A1341 Sale priceCHF 156 Regular priceCHF 329
Faviana 11055 FuchsiaFaviana 11055 Fuchsia
Faviana 11055 Sale priceCHF 376
Ladivine J819Ladivine J819 In Pink
Ladivine J819 Sale priceCHF 116 Regular priceCHF 254
Andrea and Leo A1238 Azalea PinkAndrea and Leo A1238 Marigold
Andrea and Leo A1238 Sale priceCHF 175 Regular priceCHF 407
Elizabeth K GL3612 Light BlueElizabeth K GL3612 Light Blue
Elizabeth K GL3612 Sale priceCHF 1,254
Portia and Scarlett PS25317 PinkPortia and Scarlett PS25317 Pink
Portia and Scarlett PS25317 Sale priceCHF 687
Sold outLadivine J885Ladivine J885
Ladivine J885 Sale priceCHF 177
Ladivine CDS409 In PurpleLadivine CDS409 In Purple
Ladivine CDS409 Sale priceCHF 114 Regular priceCHF 392
Mac Duggal 20376 In GrayMac Duggal 20376 In Gray
Mac Duggal 20376 Sale priceCHF 191 Regular priceCHF 398
Portia and Scarlett PS26143Portia and Scarlett PS26143
Portia and Scarlett PS26143 Sale priceCHF 411
Clarisse 810986 BlackClarisse 810986 Black
Clarisse 810986 Sale priceCHF 502
Jovani 22226 BlackJovani 22226 Black Back
Jovani 22226 Sale priceCHF 1,055
GLS by Gloria GL3137 GreenGLS by Gloria GL3137 Green
GLS by Gloria GL3137 Sale priceCHF 302 Regular priceCHF 603
Elizabeth K GL3554 BlushElizabeth K GL3554 Blush
Elizabeth K GL3554 Sale priceCHF 914
Mac Duggal 93930 HeatherMac Duggal 93930 Heather
Mac Duggal 93930 Sale priceCHF 655
Andrea and Leo A1285 BlueAndrea and Leo A1285 Blue
Andrea and Leo A1285 Sale priceCHF 156 Regular priceCHF 337
GLS by Gloria GL3250 Blue/PeachGLS by Gloria GL3250 Blue/Peach
GLS by Gloria GL3250 Sale priceCHF 261 Regular priceCHF 522
Elizabeth K GL3553 Off White PinkElizabeth K GL3553 Off White Pink
Elizabeth K GL3553 Sale priceCHF 1,097
GLS by Gloria GL3202 Light GreenGLS by Gloria GL3202 Light Green
GLS by Gloria GL3202 Sale priceCHF 244
Sold outMac Duggal - 11224 Deep V-Neck Lace Appliqued Gown In PinkMac Duggal - 11224 Deep V-Neck Lace Appliqued Gown In Pink
Mac Duggal 11224 Sale priceCHF 377 Regular priceCHF 766
Elizabeth K GL3551Baby BlueElizabeth K GL3551Baby Blue
Elizabeth K GL3551 Sale priceCHF 966
La Femme 32719 Royal BlueLa Femme 32719 Black
La Femme 32719 Sale priceCHF 409
Ladivine CDS513W Off WhiteLadivine CDS513W Off White
Ladivine CDS513W Sale priceCHF 306
Elizabeth K GL3527 BlueElizabeth K GL3527 Pink
Elizabeth K GL3527 Sale priceCHF 600
GLS by Gloria GL3226 LilacGLS by Gloria GL3226 Lilac
GLS by Gloria GL3226 Sale priceCHF 243 Regular priceCHF 484
Ladivine CB114 BlackLadivine CB114 Black
Ladivine CB114 Sale priceCHF 118 Regular priceCHF 273
GLS by Gloria GL3452 Perry BlueGLS by Gloria GL3452 Perry Blue
GLS by Gloria GL3452 Sale priceCHF 161 Regular priceCHF 321
Elizabeth K GL2910Elizabeth K GL2910
Elizabeth K GL2910 Sale priceCHF 465 Regular priceCHF 928
Elizabeth K GL3019 In PinkElizabeth K GL3019 In Neutral
Elizabeth K GL3019 Sale priceCHF 750 Regular priceCHF 1,498
May Queen RQ7949 BlueMay Queen RQ7949 Blue
May Queen RQ7949 Sale priceCHF 231
Elizabeth K GL2601Elizabeth K GL2601
Elizabeth K GL2601 Sale priceCHF 509
Clarisse 810581 BlackClarisse 810581 Black
Clarisse 810581 Sale priceCHF 521
May Queen MQ1935 BlueMay Queen MQ1935 Blue
May Queen MQ1935 Sale priceCHF 114 Regular priceCHF 254
Elizabeth K GL3523 TiffanyElizabeth K GL3523 Tiffany
Elizabeth K GL3523 Sale priceCHF 888
Andrea and Leo A1247 BlueAndrea and Leo A1247 Pink
Andrea and Leo A1247 Sale priceCHF 195 Regular priceCHF 401

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!