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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS26099Portia and Scarlett PS26099
Portia and Scarlett PS26099 Sale price$819 USD
Portia and Scarlett PS26215Portia and Scarlett PS26215
Portia and Scarlett PS26215 Sale price$969 USD
Portia and Scarlett PS25308Portia and Scarlett PS25308
Portia and Scarlett PS25308 Sale price$790 USD
Ladivine CD0234 Lt BlueLadivine CD0234 Smoky Blue
Ladivine CD0234 Sale price$225 USD
Portia and Scarlett PS26037Portia and Scarlett PS26037
Portia and Scarlett PS26037 Sale price$899 USD
Alyce Paris 61866 Black/PinkAlyce Paris 61866 Black/Pink
Alyce Paris 61866 Sale price$590 USD
Portia and Scarlett PS25316 PinkPortia and Scarlett PS25316 Lilac
Portia and Scarlett PS25316 Sale price$768 USD
Alyce Paris 61846 MidnightAlyce Paris 61846 Midnight
Alyce Paris 61846 Sale price$670 USD
Jovani 44511 LilacJovani 44511 Lilac
Jovani 44511 Sale price$558 USD
Portia and Scarlett PS25306Portia and Scarlett PS25306 Hot Pink
Portia and Scarlett PS25306 Sale price$658 USD
Alyce Paris 61909 Light Yellow MultiAlyce Paris 61909 Light Yellow Multi
Alyce Paris 61909 Sale price$670 USD
Alyce Paris 61865 Pink/MultiAlyce Paris 61865 Pink/Multi
Alyce Paris 61865 Sale price$630 USD
Alyce Paris 61824 RoyalAlyce Paris 61824 Royal
Alyce Paris 61824 Sale price$632 USD
Alyce Paris 61774 RoyalAlyce Paris 61774 Royal
Alyce Paris 61774 Sale price$750 USD
PS25165-White-BlackPS25165-White Black
Portia and Scarlett PS25165 Sale price$702 USD
Jovani 40394 YellowJovani 40394 Yellow
Jovani 40394 Sale price$790 USD
La Femme 32128 Dark BerryLa Femme 32128 Dark Berry
La Femme 32128 Sale price$698 USD
Portia and Scarlett PS22230 in PurplePortia and Scarlett PS22230 in Red
Portia and Scarlett PS22230 Sale price$592 USD
La Femme 31997 Light PeriwinkleLa Femme 31997 Light Periwinkle
La Femme 31997 Sale price$598 USD
La Femme 32288 Lavender GrayLa Femme 32288 Lavender Gray
La Femme 32288 Sale price$598 USD
La Femme 31433 Light PeriwinkleLa Femme 31433 Light Periwinkle
La Femme 31433 Sale price$298 USD
La Femme 28985 Dark EmeraldLa Femme 28985 Red
La Femme 28985 Sale price$498 USD
Andrea and Leo A0824 MidnightAndrea and Leo A0824 Midnight
Andrea and Leo A0824 Sale price$306 USD Regular price$585 USD
La Femme 31363 SageLa Femme 31363 Sage
La Femme 31363 Sale price$498 USD
La Femme 32346 EmeraldLa Femme 32346 Emerald
La Femme 32346 Sale price$598 USD
La Femme 31506 Neon PinkLa Femme 31506 Neon Pink
La Femme 31506 Sale price$358 USD
Faviana S10252 JadeFaviana S10252 Jade
Faviana S10252 Sale price$358 USD
Sold outLadivine C150 Dusty TealLadivine C150 Dusty Teal
Ladivine C150 Sale price$199 USD
La Femme 31471 Dark BerryLa Femme 31471 Dark Berry
La Femme 31471 Sale price$478 USD
La Femme 32065 Dark EmeraldLa Femme 32065 Dark Emerald
La Femme 32065 Sale price$478 USD
La Femme 32147 EmeraldLa Femme 32147 Emerald
La Femme 32147 Sale price$698 USD
La Femme 32345 BlackLa Femme 32345 Black
La Femme 32345 Sale price$758 USD
La Femme 30498 Dark BerryLa Femme 30498 Dark Berry
La Femme 30498 Sale price$438 USD
La Femme 32438 SageLa Femme 32438 Sage
La Femme 32438 Sale price$598 USD
La Femme 32072 BlackLa Femme 32072 Black
La Femme 32072 Sale price$598 USD
La Femme 32019 BlackLa Femme 32019 Black
La Femme 32019 Sale price$638 USD
La Femme 32137 Neon PinkLa Femme 32137 Neon Pink
La Femme 32137 Sale price$598 USD
La Femme 31542 SageLa Femme 31542 Sage
La Femme 31542 Sale price$398 USD
La Femme 32204 Dark EmeraldLa Femme 32204 Dark Emerald
La Femme 32204 Sale price$416 USD
La Femme 32029 BlackLa Femme 32029 Black
La Femme 32029 Sale price$598 USD
La Femme 32335 Light PeriwinkleLa Femme 32335 Light Periwinkle
La Femme 32335 Sale price$698 USD
La Femme 31570 Light PeriwinkleLa Femme 31570 Light Periwinkle
La Femme 31570 Sale price$558 USD
La Femme 32156 LavenderLa Femme 32156 Lavender
La Femme 32156 Sale price$598 USD
La Femme 31939 LavenderLa Femme 31939 Lavender
La Femme 31939 Sale price$598 USD
Andrea and Leo A0767 BlueAndrea and Leo A0767 Blush
Andrea and Leo A0767 Sale price$436 USD Regular price$830 USD
La Femme 31457 Dark BerryLa Femme 31457 Dark Berry
La Femme 31457 Sale price$378 USD
Portia and Scarlett PS21228 SilverPortia and Scarlett PS21228 Silver
Portia and Scarlett PS21228 Sale price$658 USD
Ladivine CB144 MauveLadivine CB144 Sage
Ladivine CB144 Sale price$174 USD Regular price$389 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!