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Long Formal Party Dresses & Formal Prom Gowns

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Elizabeth K GL3125 EmeraldElizabeth K GL3125 Emerald
Elizabeth K GL3125 Sale price$228 USD Regular price$1,614 USD
Jovani 07017 Black and WhiteJovani 07017 Black and White
Jovani 07017 Sale price$790 USD
Clarisse 62217Clarisse 62217
Clarisse 62217 Sale price$583 USD
Portia and Scarlett PS25175 FuchsiaPortia and Scarlett PS25175 Fuchsia
Portia and Scarlett PS25175 Sale price$834 USD
Ladivine 7452 SiennaLadivine 7452 Sienna
Ladivine 7452 Sale price$125 USD
PS25164-White Pink
Portia and Scarlett PS25164 Sale price$658 USD
Mac Duggal 11627 BlackMac Duggal 11627 Black
Mac Duggal 11627 Sale price$1,198 USD
Dancing Queen 4318Dancing Queen 4318
Dancing Queen 4318 Sale price$274 USD
SCALA 60370SCALA 60370
SCALA 60370 Sale price$526 USD
Terani Couture 261P6079Terani Couture 261P6079
Terani Couture 261P6079 Sale price$663.75 USD
Atria 7033HAtria 7033H
Atria 7033H Sale price$438 USD
Elizabeth K GL3605 Off WhiteElizabeth K GL3605 Off White
Elizabeth K GL3605 Sale price$927 USD
Atria 6760HAtria 6760H
Atria 6760H Sale price$420 USD
Alyce Paris 61577 PineAlyce Paris 61577 Pine
Alyce Paris 61577 Sale price$418 USD
Alyce Paris 61513 Neon MagentaAlyce Paris 61513 Neon Magenta
Alyce Paris 61513 Sale price$398 USD
Ieena Duggal 44064 CobaltIeena Duggal 44064 Cobalt
Ieena Duggal 44064 Sale price$308 USD
GLS by Gloria GL3218 BlackGLS by Gloria GL3218 Hot Pink
GLS by Gloria GL3218 Sale price$274 USD
Portia and Scarlett PS25196 BluePortia and Scarlett PS25196 Blue
Portia and Scarlett PS25196 Sale price$592 USD
La Femme 33520La Femme 33520
La Femme 33520 Sale price$470 USD
Mac Duggal 93869 BlackMac Duggal 93869 Black
Mac Duggal 93869 Sale price$798 USD
Ieena Duggal 26588 OrchidIeena Duggal 26588 Orchid
Ieena Duggal 26588 Sale Sale price$199 USD Regular price$398 USD
Ladivine CD396Ladivine CD396
Ladivine CD396 Sale price$247 USD
La Femme 32878 BlackLa Femme 32878 Black
La Femme 32878 Sale price$470 USD
La Femme - 27856 Full Length Lace Fitted Dress In SilverLa Femme - 27856 Full Length Lace Fitted Dress In Pink
La Femme 27856 Sale price$598 USD
Portia and Scarlett PS25303 Light BluePortia and Scarlett PS25303 Light Blue
Portia and Scarlett PS25303 Sale price$988 USD
Ellie Wilde EW37059Ellie Wilde EW37059
Ellie Wilde EW37059 Sale price$629 USD
Mac Duggal - 5669 Sleeveless V-Back Sequin Long Gown In PinkMac Duggal - 5669 Sleeveless V-Back Sequin Long Gown In Pink
Mac Duggal 5669 Sale price$398 USD
Clarisse 62160Clarisse 62160
Clarisse 62160 Sale priceFrom $571
SCALA 60290 EmeraldSCALA 60290 Emerald
SCALA 60290 Sale price$473 USD
Terani Couture 252E5181Terani Couture 252E5181
Terani Couture 252E5181 Sale price$607.50 USD
La Femme - 28026 Cap Sleeve Jersey Long Formal Dress In BlackLa Femme - 28026 Cap Sleeve Jersey Long Formal Dress In Black
La Femme 28026 Sale price$318 USD
La Femme - 30045 Embroidered Off-Shoulder Pleated Long Gown In SilverLa Femme - 30045 Embroidered Off-Shoulder Pleated Long Gown In Silver
La Femme 30045 Sale price$470 USD
Atria 7051HAtria 7051H
Atria 7051H Sale price$430 USD
Clarisse 811185 Light BlueClarisse 811185 Light Blue
Clarisse 811185 Sale price$498 USD
SCALA 61300 PeriwinkleSCALA 61300 Periwinkle
SCALA 61300 Sale price$504 USD
Faviana S10822E BlackFaviana S10822E Black
Faviana S10822E Sale price$518 USD
Andrea and Leo A1237 LavenderAndrea and Leo A1237 Paris Blue
Andrea and Leo A1237 Sale price$218 USD Regular price$459 USD
Atria 6808HAtria 6808H
Atria 6808H Sale price$420 USD
Jessica Angel 2617 PeacockJessica Angel 2617 Peacock
Jessica Angel 2617 Sale price$450 USD
Ladivine HT101 In MochaLadivine HT101 In Mocha
Ladivine HT101 Sale price$175 USD Regular price$407 USD
La Femme 32887 BronzeLa Femme 32887 Bronze
La Femme 32887 Sale price$378 USD
Ieena Duggal - 26730 Asymmetric Sequined Evening Dress In OrangeIeena Duggal Tangerine
Ieena Duggal 26730 Sale price$398 USD
Primavera 4534Primavera 4534
Primavera 4534 Sale price$595 USD
Clarisse 810809 SageClarisse 810809 Sage
Clarisse 810809 Sale price$558 USD
Ieena Duggal 55898 RedIeena Duggal 55898 Red
Ieena Duggal 55898 Sale price$388 USD
Ladivine T713Ladivine T713
Ladivine T713 Sale price$110 USD
Ladivine 7495 BurgundyLadivine 7495 Emerald
Ladivine 7495 Sale price$100 USD Regular price$175 USD
Andrea and Leo A1182 SilverAndrea and Leo A1182 Silver
Andrea and Leo A1182 Sale price$770 USD

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!