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Long Formal Party Dresses & Formal Prom Gowns

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Faviana S10826 Sea BlueFaviana S10826 Sea Blue
Faviana S10826 Sale priceCHF 278
Jessica Angel 2574 NavyJessica Angel 2574 Navy
Jessica Angel 2574 Sale priceCHF 362
Portia and Scarlett PS25285Portia and Scarlett PS25285 Black White
Portia and Scarlett PS25285 Sale priceCHF 328
Faviana 11036 Pink/SilverFaviana 11036 Pink/Silver
Faviana 11036 Sale priceCHF 409
SCALA 61202 PeriwinkleSCALA 61202 Periwinkle
SCALA 61202 Sale priceCHF 451
Faviana S10805 GreenFaviana S10805 Green
Faviana S10805 Sale priceCHF 442
Ladivine CB165Ladivine CB165
Ladivine CB165 Sale priceCHF 305
GLS by Gloria GL3250 Blue/PeachGLS by Gloria GL3250 Blue/Peach
GLS by Gloria GL3250 Sale priceCHF 261 Regular priceCHF 521
GLS by Gloria GL3202 Light GreenGLS by Gloria GL3202 Light Green
GLS by Gloria GL3202 Sale priceCHF 244
La Femme - 29262 Ruched V-Neck Fitted Party Dress In RedLa Femme - 29262 Ruched V-Neck Fitted Party Dress In Red
La Femme 29262 Sale priceCHF 77
Ladivine 9312 ChampagneLadivine 9312 Champagne
Ladivine 9312 Sale priceCHF 177 Regular priceCHF 406
La Femme 32719 Royal BlueLa Femme 32719 Black
La Femme 32719 Sale priceCHF 409
Elizabeth K GL3527 BlueElizabeth K GL3527 Pink
Elizabeth K GL3527 Sale priceCHF 600
Mac Duggal - 5509 Bishop Sleeve Sequin Gown In PinkMac Duggal - 5509 Bishop Sleeve Sequin Gown In Pink
Mac Duggal A5509 Sale priceCHF 322 Regular priceCHF 510
Alyce Paris 61429 BlueAlyce Paris 61429 Blue
Alyce Paris 61429 Sale priceCHF 157
LaFemme 32864 Light GoldLaFemme 32864 Light Gold
La Femme 32864 Sale priceCHF 311
Jessica Angel 2430 BlueJessica Angel 2430 Blue
Jessica Angel 2430 Sale priceCHF 362
Andrea and Leo A1403Andrea and Leo A1403
Andrea and Leo A1403 Sale priceCHF 244
Faviana 11003Faviana 11003
Faviana 11003 Sale priceCHF 392
Portia and Scarlett PS25181 BluePortia and Scarlett PS25181 Blue
Portia and Scarlett PS25181 Sale priceCHF 534
SCALA 61344 BlackSCALA 61344 Black
SCALA 61344 Sale priceCHF 451
Alyce Paris 61501 Barbie PinkAlyce Paris 61501 Barbie Pink
Alyce Paris 61501 Sale priceCHF 307
May Queen RQ7969 BlackMay Queen RQ7969 Black
May Queen RQ7969 Sale priceCHF 154 Regular priceCHF 509
Ladivine 7448W Off WhiteLadivine 7448W Off White
Ladivine 7448W Sale priceCHF 162
Mac Duggal 30725 Rose GoldMac Duggal 30725 Rose Gold
Mac Duggal 30725 Sale Sale priceCHF 183 Regular priceCHF 339
GLS by Gloria GL3161 - Asymmetrical Sequined Sheath Gown Special Occasion Dress XS / GreenGLS by Gloria GL3161 - Asymmetrical Sequined Sheath Gown Special Occasion Dress
GLS by Gloria GL3161 Sale priceCHF 301 Regular priceCHF 600
Ladivine CD0216 Black-NudeLadivine CD0216 Silver
Ladivine CD0216 Sale priceCHF 282
GLS by Gloria GL3452 Perry BlueGLS by Gloria GL3452 Perry Blue
GLS by Gloria GL3452 Sale priceCHF 161 Regular priceCHF 321
Jovani 22911 in RedJovani 22911 Red
Jovani 22911 Sale priceCHF 620
SCALA 61338 Red RoseSCALA 61338 Red Rose
SCALA 61338 Sale priceCHF 367
SCALA 61348 Navy SilverSCALA 61348 Navy Silver
SCALA 61348 Sale priceCHF 384
Ladivine T603Ladivine T603
Ladivine T603 Sale priceCHF 121
Ieena Duggal 49701 RedIeena Duggal 49701 Red
Ieena Duggal 49701 Sale priceCHF 183 Regular priceCHF 339
Ladivine CD350 Light BlueLadivine CD350 Royal
Ladivine CD350 Sale priceCHF 71 Regular priceCHF 153
Dancing Queen 4330Dancing Queen 4330
Dancing Queen 4330 Sale priceCHF 223 Regular priceCHF 281
Jessica Angel 2420 RedJessica Angel 2420 Red
Jessica Angel 2420 Sale priceCHF 833
Alyce Paris 61588 Electric LimeAlyce Paris 61588 Electric Lime
Alyce Paris 61588 Sale priceCHF 307
May Queen RQ7949 BlueMay Queen RQ7949 Blue
May Queen RQ7949 Sale priceCHF 231
SCALA 60366SCALA 60366
SCALA 60366 Sale priceCHF 334 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
Jessica Angel 2398 RedJessica Angel 2398 Red
Jessica Angel 2398 Sale priceCHF 473
Portia and Scarlett PS23273 GreenPortia and Scarlett PS23273 Gray Silver
Portia and Scarlett PS23273 Sale priceCHF 585
Mac Duggal 93789 Nude GoldMac Duggal 93789 Nude Gold
Mac Duggal 93789 Sale priceCHF 490
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 260 Regular priceCHF 510
Jovani 07306 PinkJovani 07306 Pink
Jovani 07306 Sale priceCHF 665

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!