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Long Formal Party Dresses & Formal Prom Gowns

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1757 Item

La Femme 32767 Cloud BlueLa Femme 32767 Lavender
La Femme 32767 Sale price$470 USD
Portia and Scarlett PS25643E RosePortia and Scarlett PS25643E Rose
Portia and Scarlett PS25643E Sale price$495 USD
Portia and Scarlett PS26105
Portia and Scarlett PS26105 Sale price$659 USD
SCALA 60284 PetalSCALA 60284 Petal
SCALA 60284 Sale price$583 USD
Alyce Paris 61514 Neon PinkAlyce Paris 61514 Neon Pink
Alyce Paris 61514 Sale price$578 USD
Alyce Paris 61856 Ice LilacAlyce Paris 61856 Ice Lilac
Alyce Paris 61856 Sale price$478 USD
Portia and Scarlett PS26236Portia and Scarlett PS26236
Portia and Scarlett PS26236 Sale price$1,209 USD
Elizabeth K GL3624 ChampagneElizabeth K GL3624 Champagne
Elizabeth K GL3624 Sale price$389 USD
GLS by Gloria GL3247 Baby BlueGLS by Gloria GL3247 Baby Blue
GLS by Gloria GL3247 Sale price$251 USD
May Queen MQ2104 BlackMay Queen MQ2104 Black
May Queen MQ2104 Sale price$202 USD
May Queen RQ8158 SageMay Queen RQ8158 Sage
May Queen RQ8158 Sale price$253 USD
Alyce Paris 61810 Orange/MultiAlyce Paris 61810 Orange/Multi
Alyce Paris 61810 Sale price$796 USD
Alyce Paris 61849Alyce Paris 61849
Alyce Paris 61849 Sale price$470 USD
La Femme 32754 Royal BlueLa Femme 32754 Royal Blue
La Femme 32754 Sale price$470 USD
Andrea and Leo A1232 SageAndrea and Leo A1232 Paris Blue
Andrea and Leo A1232 Sale price$228 USD
GLS by Gloria GL3217 Green/BlackGLS by Gloria GL3217 Green/Black
GLS by Gloria GL3217 Sale price$274 USD
Alyce Paris 61783 SageAlyce Paris 61783 Sage
Alyce Paris 61783 Sale price$618 USD
Alyce Paris 61706 RaspberryAlyce Paris 61706 Raspberry
Alyce Paris 61706 Sale price$488 USD
Clarisse 810809 SageClarisse 810809 Sage
Clarisse 810809 Sale price$558 USD
Portia and Scarlett PS25182Portia and Scarlett PS25182 Purple
Portia and Scarlett PS25182 Sale price$702 USD
Portia and Scarlett PS25238
Portia and Scarlett PS25238 Sale price$489 USD
La Femme 32923 RedLa Femme 32923 Dark Emerald
La Femme 32923 Sale price$298 USD
May Queen RQ8151 BlackMay Queen RQ8151 Black
The May Queen RQ8151 Sale price$260 USD
Alyce Paris 61483 RedAlyce Paris 61483 Red
Alyce Paris 61483 Sale price$348 USD
La Femme 32756 BlackLa Femme 32756 Black
La Femme 32756 Sale price$378 USD
Elizabeth K GL3564 Rose GoldElizabeth K GL3564 Rose Gold
Elizabeth K GL3564 Sale price$205 USD
La Femme 32518 TealLa Femme 32518 Teal
La Femme 32518 Sale price$338 USD
Alyce Paris 61724 Magic Opal/SandAlyce Paris 61724 Magic Opal/Sand
Alyce Paris 61724 Sale price$398 USD
Sold outLadivine CD784 MauveLadivine CD784 Mauve
Ladivine CD784 Sale price$289 USD
May Queen LK264 RosegoldMay Queen LK264 Rosegold
May Queen LK264 Sale price$522 USD
Andrea and Leo A1436Andrea and Leo A1436
Andrea and Leo A1436 Sale price$575 USD
Elizabeth K GL3577 Ice BlueElizabeth K GL3577 Ice Blue
Elizabeth K GL3577 Sale price$1,011 USD
Ladivine CDS450 BlueLadivine CDS450 Blue
Ladivine CDS450 Sale price$179 USD
Faviana S10800 Dark EmeraldFaviana S10800 Dark Emerald
Faviana S10800 Sale price$478 USD
La Femme 32646 Royal BlueLa Femme 32646 Royal Blue
La Femme 32646 Sale price$470 USD
Andrea and Leo A1133 MultiAndrea and Leo A1133 Multi
Andrea and Leo A1133 Sale price$420 USD
May Queen RQ8163 MauveMay Queen RQ8163 Mauve
May Queen RQ8163 Sale price$428 USD
Andrea and Leo A1259 SageAndrea and Leo A1259 Sage
Andrea and Leo A1259 Sale price$230 USD
Jessica Angel 2617 PeacockJessica Angel 2617 Peacock
Jessica Angel 2617 Sale price$450 USD
PS25161-PinkPS25161-Black Bk
Portia and Scarlett PS25161 Sale price$495 USD
GLS by Gloria GL3249 Light PinkGLS by Gloria GL3249 Light Pink
GLS by Gloria GL3249 Sale price$297 USD
Elizabeth K GL3602 Off WhiteElizabeth K GL3602 Off White
Elizabeth K GL3602 Sale price$1,017 USD
Elizabeth K GL3569 BlackElizabeth K GL3569 Black
Elizabeth K GL3569 Sale price$343 USD
GLS by Gloria GL3463 Hot PinkGLS by Gloria GL3463 Hot Pink
GLS by Gloria GL3463 Sale price$297 USD
Alyce Paris 61452Alyce Paris 61452
Alyce Paris 61452 Sale priceFrom $149
Andrea and Leo A1278 Lapis Bluevideowise-widget-6675879ca76a3d00290aacea-10133594800321
Andrea and Leo A1278 Sale price$498 USD
Portia and Scarlett PS25171 FuchsiaPortia and Scarlett PS25171 Fuchsia
Portia and Scarlett PS25171 Sale price$438 USD
GLS by Gloria GL3254 Dark SageGLS by Gloria GL3254 Dark Sage
GLS by Gloria GL3254 Sale price$251 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!