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Long Formal Party Dresses & Formal Prom Gowns

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830 Item

Jessica Angel 939 Light LavenderJessica Angel 939 Light Lavender
Jessica Angel 939 Sale price$470 USD
Faviana S10859 Black MultiFaviana S10859 Black Multi
Faviana S10859 Sale price$478 USD
Andrea and Leo A1365Andrea and Leo A1365
Andrea and Leo A1365 Sale price$450 USD
Jessica Angel 2393 WhiteJessica Angel 2393 White
Jessica Angel 2393 Sale price$550 USD
Andrea and Leo MA101Andrea and Leo MA101
Andrea and Leo MA101 Sale price$218 USD Regular price$464 USD
Mac Duggal 67871 MidnightMac Duggal 67871 Midnight
Mac Duggal 67871 Sale price$598 USD
Portia and Scarlett PS25177Portia and Scarlett PS25177 Black
Portia and Scarlett PS25177 Sale price$570 USD
Jessica Angel 2582 RedJessica Angel 2582 Red
Jessica Angel 2582 Sale price$450 USD
Alyce Paris 61478 RedAlyce Paris 61478 Red
Alyce Paris 61478 Sale price$448 USD
Andrea And Leo A1298 BlueAndrea And Leo A1298 Blue
Andrea And Leo A1298 Sale price$240 USD Regular price$528 USD
Portia and Scarlett PS22168 in RedPortia and Scarlett PS22168 in Red
Portia and Scarlett PS22168 Sale price$878 USD
Faviana S10866 BlueFaviana S10866 Blue
Faviana S10866 Sale price$518 USD
La Femme 32973 Light BlueLa Femme 32973 Light Blue
La Femme 32973 Sale price$338 USD
Jovani 23898 Naby NavyJovani 23898 Naby Navy Back
Jovani 23898 Sale price$950 USD
Jessica Angel 568 GreenJessica Angel 568 Green
Jessica Angel 568 Sale price$370 USD
Mac Duggal 11839 BlackMac Duggal 11839-2 Black
Mac Duggal 11839 Sale price$1,398 USD
Clarisse 811121 RoyalClarisse 811121 Royal
Clarisse 811121 Sale price$378 USD
May Queen RQ8181 Ivory NudeMay Queen RQ8181 Ivory Nude
May Queen RQ8181 Sale price$454 USD
La Femme 32918 RedLa Femme 32918 Red
La Femme 32918 Sale price$398 USD
Jessica Angel 2568 OrangeJessica Angel 2568 Orange
Jessica Angel 2568 Sale price$590 USD
Jovani 26017 CobaltJovani 26017 Cobalt
Jovani 26017 Sale price$900 USD
Jovani 1122 CooperJovani 1122 Cooper
Jovani 1122 Sale price$798 USD
Portia and Scarlett PS25266 PinkPortia and Scarlett PS25266 Pink
Portia and Scarlett PS25266 Sale price$482 USD
Jessica Angel 2509 RedJessica Angel 2509 Red
Jessica Angel 2509 Sale price$430 USD
Jovani 08384 HunterJovani 08384 Hunter
Jovani 08384 Sale price$990 USD
Alyce Paris 61487 ClaretAlyce Paris 61487 Claret
Alyce Paris 61487 Sale price$448 USD
Jessica Angel 2565 RedJessica Angel 2565 Red
Jessica Angel 2565 Sale price$550 USD
La Femme 32217 Royal BlueLa Femme 32217 Royal Blue
La Femme 32217 Sale price$436 USD
Jessica Angel 2530 RoyalJessica Angel 2530 Royal
Jessica Angel 2530 Sale price$550 USD
Atria 6840HAtria 6840H
Atria 6840H Sale price$440 USD
Elizabeth K GL3605 Off WhiteElizabeth K GL3605 Off White
Elizabeth K GL3605 Sale price$927 USD
Alyce Paris 61674 OceanAlyce Paris 61674 Ocean
Alyce Paris 61674 Sale price$318 USD
GLS by Gloria GL2889 Dusty RoseGLS by Gloria GL2889 Champagne
GLS by Gloria GL2889 Sale price$228 USD
Clarisse 811338 BlackClarisse 811338 Black
Clarisse 811338 Sale price$518 USD
Portia and Scarlett PS23345 BlackPortia and Scarlett PS23345 Black
Portia and Scarlett PS23345 Sale price$548 USD
La Femme - 28033 Square Neckline Lace Embroidery Mermaid Formal Dress In BrownLa Femme - 28033 Square Neckline Lace Embroidery Mermaid Formal Dress In Blue
La Femme 28033 Sale price$470 USD
May Queen MQ2104 BlackMay Queen MQ2104 Black
May Queen MQ2104 Sale price$202 USD
Alyce Paris 61810 Orange/MultiAlyce Paris 61810 Orange/Multi
Alyce Paris 61810 Sale price$796 USD
Andrea and Leo A1232 SageAndrea and Leo A1232 Paris Blue
Andrea and Leo A1232 Sale price$228 USD
Alyce Paris 61706 RaspberryAlyce Paris 61706 Raspberry
Alyce Paris 61706 Sale price$488 USD
Portia and Scarlett PS23521 in OrangePortia and Scarlett PS23521
Portia and Scarlett PS23521 Sale price$438 USD
Terani Couture 1911GL9512 PinkTerani Couture 1911GL9512 Pink
Terani Couture 1911GL9512 Sale price$1,397 USD
Mac Duggal 2256 Black GoldMac Duggal 2256 Platinum Gold
Mac Duggal 2256 Sale price$798 USD
Jessica Angel 2638 Light YellowJessica Angel 2638 Light Yellow
Jessica Angel 2638 Sale price$550 USD
Portia and Scarlett PS25182Portia and Scarlett PS25182 Purple
Portia and Scarlett PS25182 Sale price$702 USD
Jessica Angel 2586 Dark Neon PinkJessica Angel 2586 Dark Neon Pink
Jessica Angel 2586 Sale price$450 USD
Faviana S10863 RedFaviana S10863 Red
Faviana S10863 Sale price$398 USD
Jessica Angel 2627 RedJessica Angel 2627 Red
Jessica Angel 2627 Sale price$430 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!