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Long Formal Party Dresses & Formal Prom Gowns

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La Femme - 30699 Sleeveless V-Neck Evening Dress In PinkLa Femme - 30699 Sleeveless V-Neck Evening Dress In Pink
La Femme 30699 Sale priceCHF 212
Mac Duggal 5390 In Multi ColorMac Duggal 5390 In Multi Color
Mac Duggal 5390 Sale priceCHF 208 Regular priceCHF 425
Elizabeth K GL3058 In RedElizabeth K GL3058 In Red
Elizabeth K GL3058 Sale priceCHF 198 Regular priceCHF 396
Faviana S10639 In BlueFaviana S10639 In Blue
Faviana S10639 Sale priceCHF 327
Ladivine CL03 BurgundyLadivine CL03 Black
Ladivine CL03 Sale priceCHF 71 Regular priceCHF 155
Ladivine CD331 FuchsiaLadivine CD331 Fuchsia
Ladivine CD331 Sale priceCHF 157 Regular priceCHF 305
La Femme - 30613 Embellished Sheath Evening Dress In PinkLa Femme - 30613 Embellished Sheath Evening Dress In Pink
La Femme 30613 Sale priceCHF 212
Mac Duggal Cocktail - 30750D Pleated Glitter A-Line Dress In Champagne & GoldMac Duggal Cocktail - 30750D Pleated Glitter A-Line Dress In Champagne & Gold
Mac Duggal 30750 Sale priceCHF 408
La Femme 32087 BlackLa Femme 32087 Black
La Femme 32087 Sale priceCHF 491
Faviana S10669 In BlueFaviana S10669 In Blue
Faviana S10669 Sale priceCHF 442
GLS by Gloria GL3047 In NeutralGLS by Gloria GL3047 In Neutral
GLS by Gloria GL3047 Sale priceCHF 261 Regular priceCHF 521
Mac Duggal - 5501 Bishop Sleeve Sequin Gown In NeutralMac Duggal - 5501 Bishop Sleeve Sequin Gown In Neutral
Mac Duggal 5501 Sale priceCHF 528 Regular priceCHF 1,089
GLS by Gloria GL3006 In BlackGLS by Gloria GL3006 In Black
GLS by Gloria GL3006 Sale priceCHF 281 Regular priceCHF 562
La Femme 32203 SilverLa Femme 32203 Silver
La Femme 32203 Sale priceCHF 442
Ladivine CH235 In PinkLadivine CH235 In Royal
Ladivine CH235 Sale priceCHF 90 Regular priceCHF 207
Dancing Queen 4292 In BlueDancing Queen 4292 In Blue
Dancing Queen 4292 Sale priceCHF 202
La Femme 32045 WhiteLa Femme 32045 White
La Femme 32045 Sale priceCHF 392
Ladivine CD811 BlackLadivine CD811 Black
Ladivine CD811 Sale priceCHF 138 Regular priceCHF 297
Ladivine CM356 PinkLadivine CM356 Pink
Ladivine CM356 Sale priceCHF 138 Regular priceCHF 301
La Femme 31378 Royal BlueLa Femme 31378 Royal Blue
La Femme 31378 Sale priceCHF 491
La Femme 32414 ChampagneLa Femme 32414 Champagne
La Femme 32414 Sale priceCHF 474
Ladivine CB144 MauveLadivine CB144 Sage
Ladivine CB144 Sale priceCHF 156 Regular priceCHF 332
Ladivine CD262 PurpleLadivine CD262 Purple
Ladivine CD262 Sale priceCHF 97 Regular priceCHF 208
La Femme 31405 PurpleLa Femme 31405 Purple
La Femme 31405 Sale priceCHF 212
La Femme 32321 Bright GreenLa Femme 32321 Bright Green
La Femme 32321 Sale priceCHF 360
La Femme 32151 BlackLa Femme 32151 Black
La Femme 32151 Sale priceCHF 655
La Femme 32344 SageLa Femme 32344 Sage
La Femme 32344 Sale priceCHF 491
La Femme 32097 NudeLa Femme 32097 Nude
La Femme 32097 Sale priceCHF 409
La Femme 31411 PurpleLa Femme 31411 Purple
La Femme 31411 Sale priceCHF 360
La Femme 32273 Royal BlueLa Femme 32273 Royal Blue
La Femme 32273 Sale priceCHF 442
La Femme 31597 BlackLa Femme 31597 Black
La Femme 31597 Sale priceCHF 360
La Femme 32437 Dark EmeraldLa Femme 32437 Dark Emerald
La Femme 32437 Sale priceCHF 491
Ladivine Y030 RedLadivine Y030 Red
Ladivine Y030 Sale priceCHF 71 Regular priceCHF 159
La Femme 31137 OrangeLa Femme 31137 Orange
La Femme 31137 Sale priceCHF 212
La Femme 31953 MultiLa Femme 31953 Multi
La Femme 31953 Sale priceCHF 245
La Femme 32064 BlackLa Femme 32064 Black
La Femme 32064 Sale priceCHF 392
La Femme 31140 BlackLa Femme 31140 Black
La Femme 31140 Sale priceCHF 245
La Femme 32230 RedLa Femme 32230 Red
La Femme 32230 Sale priceCHF 392
La Femme 31857 Dark BerryLa Femme 31857 Dark Berry
La Femme 31857 Sale priceCHF 392
Ladivine CH111 GreenLadivine CH111 Pink
Ladivine CH111 Sale priceCHF 97 Regular priceCHF 227
Ladivine CC2162 EmeraldLadivine CC2162 Emerald
Ladivine CC2162 Sale priceCHF 99 Regular priceCHF 197
Ladivine C142 OrangeLadivine C142 Green and Pink
Ladivine C142 Sale priceCHF 71 Regular priceCHF 153
La Femme 32337 AquaLa Femme 32337 Aqua
La Femme 32337 Sale priceCHF 392
La Femme 31201 MauveLa Femme 31201 Mauve
La Femme 31201 Sale priceCHF 360
La Femme 32314 Bright GreenLa Femme 32314 Bright Green
La Femme 32314 Sale priceCHF 409
 Ladivine CD883 BlackLadivine CD883 Green
Ladivine CD883 Sale priceCHF 71 Regular priceCHF 120
La Femme 31526 BlueLa Femme 31526 Blue
La Femme 31526 Sale priceCHF 311
Ladivine CDS491 GoldLadivine CDS491 Gold
Ladivine CDS491 Sale priceCHF 116 Regular priceCHF 244

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!