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Long Formal Party Dresses & Formal Prom Gowns

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Sold outMay Queen RQ7881 In ChampagneMay Queen RQ7881 In Champagne
May Queen RQ7881 Sale priceCHF 289
Sold outMay Queen MQ1896 In BabyblueMay Queen MQ1896 In Blush
May Queen MQ1896 Sale priceCHF 93 Regular priceCHF 201
Sold outDancing Queen 4277 In BlueDancing Queen 4277 In Purple
Dancing Queen 4277 Sale priceCHF 198
Sold outMay Queen RQ7906 In MauveMay Queen RQ7906 In Mauve
May Queen RQ7906 Sale priceCHF 112 Regular priceCHF 176
Sold outMay Queen MQ1885 In PurpleMay Queen MQ1885 In Purple
May Queen MQ1885 Sale priceCHF 176
Sold outDancing Queen 4248 In NeutralDancing Queen 4248 In Neutral
Dancing Queen 4248 Sale priceCHF 248
Sold outMay Queen MQ1868 In BurgundyMay Queen MQ1868 In Burgundy
May Queen MQ1868 Sale priceCHF 75 Regular priceCHF 112
Sold outMay Queen MQ186 In PinkMay Queen MQ186 In Pink
May Queen MQ1866 Sale priceCHF 93 Regular priceCHF 224
Sold outDancing Queen 4275 In Silver Dancing Queen 4275 In Silver
Dancing Queen 4275 Sale priceCHF 260
Sold outMay Queen RQ7884 In RedMay Queen RQ7884 In Red
May Queen RQ7884 Sale priceCHF 176 Regular priceCHF 282
Sold outMay Queen MQ1890 In BabyblueMay Queen MQ1890 In Blush
May Queen MQ1890 Sale priceCHF 87 Regular priceCHF 167
Sold outMac Duggal 68175 In PinkMac Duggal 68175 In Pink
Mac Duggal 68175 Sale priceCHF 481
Sold outMay Queen MQ1873 In BurgundyMay Queen MQ1873 In Burgundy
May Queen MQ1873 Sale priceCHF 76 Regular priceCHF 155
Sold outMay Queen MQ1834 In BlackMay Queen MQ1834 In Black
May Queen MQ1834 Sale priceCHF 115 Regular priceCHF 145
Sold outMac Duggal 11269 In PinkMac Duggal 11269 In Pink
Mac Duggal 11269 Sale priceCHF 255 Regular priceCHF 492
Sold outMay Queen MQ1833 In BlackMay Queen MQ1833 In Black
May Queen MQ1833 Sale priceCHF 87 Regular priceCHF 185
Sold outMac Duggal - 10773 Flutter Sleeve Sequin Gown In GreenMac Duggal - 10773 Flutter Sleeve Sequin Gown In Green
Mac Duggal 10773 Sale priceCHF 255 Regular priceCHF 501
Sold outMac Duggal 5715 In BlueMac Duggal 5715 In Blue
Mac Duggal 5715 Sale priceCHF 397
Sold outLa Femme - 30668 Fitted Scoop Evening Dress In BlueLa Femme - 30668 Fitted Scoop Evening Dress In Blue
La Femme 30668 Sale priceCHF 241
Sold outLa Femme - 30589 Jewel Studded Sheath Gown In RedLa Femme - 30589 Jewel Studded Sheath Gown In Red
La Femme 30589 Sale priceCHF 273
Sold outIeena Duggal 26588 In GreenIeena Duggal 26588 In Green
Ieena Duggal 26588 Sale priceCHF 334
Sold outPortia and Scarlett PS22901 in WhitePortia and Scarlett PS22901 in White
Portia and Scarlett PS22901 Sale priceCHF 986
Sold outPortia and Scarlett PS22808 Multi-ColorPortia and Scarlett PS22808 in Multi-Color
Portia and Scarlett PS22808 Sale priceCHF 246
Sold outLa Femme 30680 In OrangeLa Femme 30680 In Orange
La Femme 30680 Sale priceCHF 273
Sold outPortia and Scarlett PS22802 in PinkPortia and Scarlett PS22802 in Pink
Portia and Scarlett PS22802 Sale priceCHF 312
Sold outPortia and Scarlett PS21253 in Pink
Portia and Scarlett PS21253 Sale priceCHF 410
Sold outIeena Duggal 55702 In GreenIeena Duggal 55702 In Green
Ieena Duggal 55702 Sale priceCHF 334
Sold outPortia and Scarlett PS21247 in PinkPortia and Scarlett PS21247 in Pink
Portia and Scarlett PS21247 Sale priceCHF 657
Sold outLa Femme - 30581 Bare Back Flowy Beaded Gown In Black and PurpleLa Femme - 30581 Bare Back Flowy Beaded Gown In Black and Purple
La Femme 30581 Sale priceCHF 321
Sold outMac Duggal 49528 WineMac Duggal 49528 Wine
Mac Duggal 49528 Sale priceCHF 417
Sold outLa Femme 30757 Dark EmeraldLa Femme 30757 Dark Emerald
La Femme 30757 Sale priceCHF 402
Sold outLa Femme - 30750 Embroidered Corset Long Gown In PurpleLa Femme - 30750 Embroidered Corset Long Gown In Purple
La Femme 30750 Sale priceCHF 289
Sold outMac Duggal 10558 In GreenMac Duggal 10558 In Green
Mac Duggal 10558 Sale priceCHF 481
Sold outMac Duggal - 5567 Asymmetric Slit Sequined Gown In Neutral and MultiMac Duggal - 5567 Asymmetric Slit Sequined Gown In Neutral and Multi
Mac Duggal A5567 Sale priceCHF 397 Regular priceCHF 574
Sold outMac Duggal - 10791 Sequined Sheath Gown In PurpleMac Duggal - 10791 Sequined Sheath Gown In Purple
Mac Duggal 10791 Sale priceCHF 400
Sold outMac Duggal 67869 In SilverMac Duggal 67869 In Silver
Mac Duggal 67869 Sale priceCHF 643
Sold outMac Duggal - 10868 Short Sleeve Sequin Dress In PurpleMac Duggal - 10868 Short Sleeve Sequin Dress In Purple
Mac Duggal 10868 Sale priceCHF 417
Sold outAlyce Paris - 7054 Plain Bateau Voluminous Bridal Dress In WhiteAlyce Paris - 7054 Plain Bateau Voluminous Bridal Dress In White
Alyce Paris 7054 Sale priceCHF 328
Sold outMac Duggal 9164 In Pink MultiMac Duggal 9164 In Pink Multi
Mac Duggal 9164 Sale priceCHF 562
Sold outAlyce Paris - 7052 Simply Pretty Bridal Bare Back In WhiteAlyce Paris - 7052 Simply Pretty Bridal Bare Back In White
Alyce Paris 7052 Sale priceCHF 258
Sold outAlyce Paris - 7051 Minimalist Open Back Cowl Bridal Dress In WhiteAlyce Paris - 7051 Minimalist Open Back Cowl Bridal Dress In White
Alyce Paris 7051 Sale priceCHF 258
Sold outAlyce Paris - 61085 V Neck Organza A-Line Dress In PinkAlyce Paris - 61085 V Neck Organza A-Line Dress In Pink
Alyce Paris 61085 Sale priceCHF 380
Sold outAlyce Paris - 61070 Metallic Beaded High Slit Gown In BlueAlyce Paris - 61070 Metallic Beaded High Slit Gown In Blue
Alyce Paris 61070 Sale priceCHF 120
Sold outAlyce Paris - 61079 Lace Applique A-Line Gown In PinkAlyce Paris - 61079 Lace Applique A-Line Gown In Pink
Alyce Paris 61079 Sale priceCHF 120
Sold outAlyce Paris - 61094 Applique Corset Tiered Gown In PurpleAlyce Paris - 61094 Applique Corset Tiered Gown In Purple
Alyce Paris 61094 Sale priceCHF 579
Sold outAlyce Paris - 61169 Sleek Lace Up Mermaid Gown In GreenAlyce Paris - 61169 Sleek Lace Up Mermaid Gown In Green
Alyce Paris 61169 Sale priceCHF 284
Sold outAlyce Paris 61186Alyce Paris 61186
Alyce Paris 61186 Sale priceFrom CHF 127
Sold outMac Duggal - 93549 Long Sleeve Shimmering Sequin Dress In PinkMac Duggal - 93549 Long Sleeve Shimmering Sequin Dress In Pink
Mac Duggal 93549 Sale priceCHF 263 Regular priceCHF 501

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!