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Long Formal Party Dresses & Formal Prom Gowns

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830 Item

Portia and Scarlett PS25198 SeagreenPortia and Scarlett PS25198 Seagreen
Portia and Scarlett PS25198 Sale priceCHF 397
Faviana ES10890 Light PinkFaviana ES10890 Light Pink
Faviana ES10890 Sale priceCHF 300
Faviana S10633Faviana S10633
Faviana S10633 Sale priceCHF 409
Jessica Angel 2367 Neon YellowJessica Angel 2367 Neon Yellow
Jessica Angel 2367 Sale priceCHF 451
Jessica Angel 2641 TurquoiseJessica Angel 2641 Turquoise
Jessica Angel 2641 Sale priceCHF 362
Jessica Angel 2510 RoyalJessica Angel 2510 Royal
Jessica Angel 2510 Sale priceCHF 390
Ladivine CC0240 Silver NudeLadivine CC0240 Silver Nude
Ladivine CC0240 Sale priceCHF 398
Faviana 11208 NavyFaviana 11208 Navy
Faviana 11208 Sale priceCHF 425
Jessica Angel 2529 EmeraldJessica Angel 2529 Emerald
Jessica Angel 2529 Sale priceCHF 399
Woman wearing a light blue evening gown with lace details in an outdoor setting.Woman in a light blue evening gown with open back standing outdoors.
Faviana 11402 Sale priceCHF 393
Faviana 11211 RedFaviana 11211 Red
Faviana 11211 Sale priceCHF 278
Portia and Scarlett PS25190Portia and Scarlett PS25190 Gold
Portia and Scarlett PS25190 Sale priceCHF 535
Clarisse 811236Clarisse 811236
Clarisse 811236 Sale priceCHF 392
A woman in a strapless, beaded, gold mermaid gown with a sweetheart neckline, visible boning, and a midriff cutout. The gown has an open back with crisscross detailing and a horsehair hem.LaDivine J871-Black Gold
Ladivine J871 Sale priceCHF 219
Jessica Angel 813 Bright GreenJessica Angel 813 Bright Green
Jessica Angel 813 Sale priceCHF 327
Jessica Angel 2527 Sky BlueJessica Angel 2527 Sky Blue
Jessica Angel 2527 Sale priceCHF 399
Jessica Angel 2615 Neon PinkJessica Angel 2615 Neon Pink
Jessica Angel 2615 Sale priceCHF 399
Portia and Scarlett PS22036 in Cinderella BluePortia and Scarlett PS22036 in Cinderella Blue
Portia and Scarlett PS22036 Sale priceCHF 504
Teal evening gown with lace detailing on a white background, featuring the Faviana brand.Teal evening gown with cut-out design on a white background, featuring the Faviana brand.
Faviana 11403 Sale priceCHF 409
Portia and Scarlett PS25261 EmeraldPortia and Scarlett PS25261 Hot Pink
Portia and Scarlett PS25261 Sale priceCHF 383
Ladivine CD764 PlatinumLadivine CD764 Platinum
Ladivine CD764 Sale priceCHF 398
Faviana 11205 RedFaviana 11205 Red
Faviana 11205 Sale priceCHF 393
Atria 7002HAtria 7002H
Atria 7002H Sale priceCHF 404
Jessica Angel 2555 BubblegumJessica Angel 2555 Bubblegum
Jessica Angel 2555 Sale priceCHF 417
Faviana E11236 RoyalFaviana E11236 Royal
Faviana E11236 Sale priceCHF 294
Ladivine CC2403 GoldLadivine CC2403 Gold
Ladivine CC2403 Sale priceCHF 283
Faviana E11210 Ink BlueFaviana E11210 Ink Blue
Faviana E11210 Sale priceCHF 278
Jovani 44208 OrangeJovani 44208 Orange
Jovani 44208 Sale priceCHF 524
Jovani 43189 MintJovani 43189 Mint
Jovani 43189 Sale priceCHF 612
Portia and Scarlett PS25169 CobaltPortia and Scarlett PS25169
Portia and Scarlett PS25169 Sale priceCHF 588
Jovani 42600 Orange/LilacJovani 42600 Royal
Jovani 42600 Sale priceCHF 568
PS25168-PinkPS25168-Blue BK
Portia and Scarlett PS25168 Sale priceCHF 512
Portia and Scarlett PS25180Portia and Scarlett PS25180
Portia and Scarlett PS25180 Sale priceCHF 535
Faviana 11271 BlackFaviana 11271 Black
Faviana 11271 Sale priceCHF 458
Portia and Scarlett PS25251 Lt BluePortia and Scarlett PS25251
Portia and Scarlett PS25251 Sale priceCHF 383
Atria 6839H KiwiAtria 6839H Kiwi
Atria 6839H Sale priceCHF 420
Portia and Scarlett PS25201Portia and Scarlett PS25201 Black
Portia and Scarlett PS25201 Sale priceCHF 344
Portia and Scarlett PS25629E Black/CreamPortia and Scarlett PS25629E Black/Cream
Portia and Scarlett PS25629E Sale priceCHF 753
Jovani D5302 Light BlueJovani D5302 Fuchsia
Jovani D5302 Sale priceCHF 495
Jessica Angel 2576 RedJessica Angel 2576 Red
Jessica Angel 2576 Sale priceCHF 362
La Femme 30484 Dark BerryLa Femme 30484 Dark Berry
La Femme 30484 Sale priceCHF 245
Jovani 40397 LilacJovani 40397 Lilac
Jovani 40397 Sale priceCHF 612
Jovani 40470 EmeraldJovani 40470 Emerald
Jovani 40470 Sale priceCHF 531
Clarisse 811254 SilverClarisse 811254 Silver
Clarisse 811254 Sale priceCHF 472
Portia and Scarlett PS25225 FuchsiaPortia and Scarlett PS25225
Portia and Scarlett PS25225 Sale priceCHF 382
Jovani D5054 PinkJovani D5054 Pink
Jovani D5054 Sale priceCHF 441
Ladivine CZ0028 Silver NudeLadivine CZ0028 Silver Nude
Ladivine CZ0028 Sale priceCHF 488
Clarisse 811262 Light PinkClarisse 811262 Light Pink
Clarisse 811262 Sale priceCHF 308

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!