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Long Formal Party Dresses & Formal Prom Gowns

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3350 Item

Jovani 44229 AquaJovani 44229 Aqua
Jovani 44229 Sale priceCHF 470
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
Portia and Scarlett PS26431CPortia and Scarlett PS26431C
Portia and Scarlett PS26431C Sale priceCHF 753
Ladivine 7433 BurgundyLadivine_7433 - Yellow
Ladivine 7433 Sale priceCHF 122
Portia and Scarlett PS26064Portia and Scarlett PS26064
Portia and Scarlett PS26064 Sale priceCHF 994
Ladivine CC1618 Powder BlueLadivine CC1618 Emerald
Ladivine CC1618 Sale priceCHF 154 Regular priceCHF 224
Ladivine CD848 - LilacLadivine CD848 Blue
Ladivine CD848 Sale priceCHF 317
Portia and Scarlett PS22036 in Cinderella BluePortia and Scarlett PS22036 in Cinderella Blue
Portia and Scarlett PS22036 Sale priceCHF 504
Portia and Scarlett PS26413CPortia and Scarlett PS26413C
Portia and Scarlett PS26413C Sale priceCHF 676
Woman wearing a strapless, light blue floral dress with a slit on a white background, featuring the Faviana brand.Woman wearing a light blue lace dress with a backless design, standing against a white background. FAVIANA brand logo is visible.
Faviana 11442 Sale priceCHF 327
Portia and Scarlett PS26418CPortia and Scarlett PS26418C
Portia and Scarlett PS26418C Sale priceCHF 459
Portia and Scarlett PS25988CPortia and Scarlett PS25988C
Portia and Scarlett PS25988C Sale priceCHF 1,449
Portia and Scarlett PS26037Portia and Scarlett PS26037
Portia and Scarlett PS26037 Sale priceCHF 694
Portia and Scarlett PS26221Portia and Scarlett PS26221
Portia and Scarlett PS26221 Sale priceCHF 429
Faviana 11002Faviana 11002
Faviana 11002 Sale priceCHF 409
Faviana S10801 PinkFaviana S10801 Pink
Faviana S10801 Sale priceCHF 376
Portia and Scarlett PS26130Portia and Scarlett PS26130
Portia and Scarlett PS26130 Sale priceCHF 435
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
Ladivine WL081 Off WhiteLadivine WL081 Off White
Ladivine WL081 Sale priceCHF 344
Jovani 43171 SageJovani 43171 Sage
Jovani 43171 Sale priceCHF 495
Portia and Scarlett PS25169 CobaltPortia and Scarlett PS25169
Portia and Scarlett PS25169 Sale priceCHF 589
Portia and Scarlett PS25189 GoldPortia and Scarlett PS25189 Gold
Portia and Scarlett PS25189 Sale priceCHF 344
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
Portia and Scarlett PS25316 PinkPortia and Scarlett PS25316 Lilac
Portia and Scarlett PS25316 Sale priceCHF 589
Jovani 43193 Light-BlueJovani 43193 Light-Blue
Jovani 43193 Sale priceCHF 666
Clarisse 811187 NavyClarisse 811187 Navy
Clarisse 811187 Sale priceCHF 436
Portia and Scarlett PS25629E Black/CreamPortia and Scarlett PS25629E Black/Cream
Portia and Scarlett PS25629E Sale priceCHF 753
Ladivine C166 LavenderLadivine C166 Silver
Ladivine C166 Sale priceCHF 195 Regular priceCHF 406
Alyce Paris 61832 RedAlyce Paris 61832 Red
Alyce Paris 61832 Sale priceCHF 333
La Femme 30484 Dark BerryLa Femme 30484 Dark Berry
La Femme 30484 Sale priceCHF 245
Alyce Paris 61817 GunmetalAlyce Paris 61817 Gunmetal
Alyce Paris 61817 Sale priceCHF 324
Ladivine CC0881 Silver-NudeLadivine CC0881 Silver-Nude
Ladivine CC0881 Sale priceCHF 220
Alyce Paris 61846 MidnightAlyce Paris 61846 Midnight
Alyce Paris 61846 Sale priceCHF 414
Ladivine CDS534 GoldLadivine CDS534 Rose
Ladivine CDS534 Sale priceCHF 263
Jovani 43795 FuchsiaJovani 43795 Fuchsia
Jovani 43795 Sale priceCHF 435
Ladivine CDS535 RedLadivine CDS535 Red
Ladivine CDS535 Sale priceCHF 136 Regular priceCHF 263
Portia and Scarlett PS25306Portia and Scarlett PS25306 Hot Pink
Portia and Scarlett PS25306 Sale priceCHF 504
Jovani 43409 Hot-PinkJovani 43409 Hot-Pink
Jovani 43409 Sale priceCHF 444
Sold outLadivine CD0237 Black NudeLadivine CD0237 Black Nude
Ladivine CD0237 Sale priceCHF 219
Portia and Scarlett PS25174Portia and Scarlett PS25174 Pink
Portia and Scarlett PS25174 Sale priceCHF 459
Ladivine C167 ChampagneLadivine C167 Lavender
Ladivine C167 Sale priceCHF 263
Alyce Paris 61796 Forest GreenAlyce Paris 61796 Forest Green
Alyce Paris 61796 Sale priceCHF 370
Ladivine C162 LavenderLadivine C162 Lavender
Ladivine C162 Sale priceCHF 246
Portia and Scarlett PS25310 WhitePortia and Scarlett PS25310 Mint
Portia and Scarlett PS25310 Sale priceCHF 673
Alyce Paris 61763 Blue/WhiteAlyce Paris 61763 Blue/White
Alyce Paris 61763 Sale priceCHF 370
Portia and Scarlett PS25188 EmeraldPortia and Scarlett PS25188 Purple
Portia and Scarlett PS25188 Sale priceCHF 420
Portia and Scarlett PS25192 BlushPortia and Scarlett PS25192 Blush
Portia and Scarlett PS25192 Sale priceCHF 611

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!