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Long Formal Party Dresses & Formal Prom Gowns

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Ladivine CDS499 NavyLadivine CDS499 Navy
Ladivine CDS499 Sale price$154 USD Regular price$324 USD
La Femme 32550 PinkLa Femme 32550 Pink
La Femme 32550 Sale price$398 USD
Elizabeth K GL3534 IvoryElizabeth K GL3534 Snow White
Elizabeth K GL3534 Sale price$1,317 USD
Jessica Angel 2600 LinchenJessica Angel 2600 Linchen
Jessica Angel 2600 Sale price$430 USD
Ieena Duggal 26992 OrangeIeena Duggal 26992 Orange
Ieena Duggal 26992 Sale Sale price$498 USD Regular price$996 USD
La Femme 32767 Cloud BlueLa Femme 32767 Lavender
La Femme 32767 Sale price$470 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
May Queen MQ2103 SilverMay Queen MQ2103 Silver
May Queen MQ2103 Sale price$129 USD Regular price$230 USD
Jovani 24341 Light BlueJovani 24341 Light Blue Back
Jovani 24341 Sale price$530 USD
Portia and Scarlett PS25643E RosePortia and Scarlett PS25643E Rose
Portia and Scarlett PS25643E Sale price$495 USD
SCALA 61330 RoyalSCALA 61330 Royal
SCALA 61330 Sale price$570 USD
Portia and Scarlett PS26105
Portia and Scarlett PS26105 Sale price$659 USD
Sold outLadivine CL07 NavyLadivine CL07 Navy
Ladivine CL07 Sale price$249 USD
SCALA 60284 PetalSCALA 60284 Petal
SCALA 60284 Sale price$583 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
Ieena Duggal 70244 BlackIeena Duggal 70244 Black
Ieena Duggal 70244 Sale price$129 USD Regular price$258 USD
Alyce Paris 61514 Neon PinkAlyce Paris 61514 Neon Pink
Alyce Paris 61514 Sale price$578 USD
Jovani 22792 BlueJovani 22792 Blue
Jovani 22792 Sale price$900 USD
Alyce Paris 61856 Ice LilacAlyce Paris 61856 Ice Lilac
Alyce Paris 61856 Sale price$478 USD
Leena Duggal 11639 PlumLeena Duggal 11639 Plum
leena Duggal 11639 Sale price$498 USD
La Femme - 29243 Long Sleeve Plunging V Neck Dress In RedLa Femme - 29243 Long Sleeve Plunging V Neck Dress In Red
La Femme 29243 Sale price$70 USD
SCALA 60393SCALA 60393
SCALA 60393 Sale price$592 USD
SCALA 47542 CSCALA 47542 C
SCALA 47542 C Sale price$350 USD
Ieena Duggal 27534 RedIeena Duggal 27534 Red
Ieena Duggal 27534 Sale price$498 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
Portia and Scarlett PS26421CPortia and Scarlett PS26421C
Portia and Scarlett PS26421C Sale price$999 USD
Mac Duggal 8052 Antique RoseMac Duggal 8052 Antique Rose
Mac Duggal 8052 Sale Sale price$898 USD Regular price$1,796 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
Jessica Angel 2467 Neon YellowJessica Angel 2467 Neon Yellow
Jessica Angel 2467 Sale price$550 USD
Mac Duggal 68192 Rose GoldMac Duggal 68192 Rose Gold
Mac Duggal 68192 Sale price$698 USD
May Queen RQ8158 SageMay Queen RQ8158 Sage
May Queen RQ8158 Sale price$253 USD
SCALA 60360SCALA 60360
SCALA 60360 Sale price$504 USD
Alyce Paris 61810 Orange/MultiAlyce Paris 61810 Orange/Multi
Alyce Paris 61810 Sale price$796 USD
Jessica Angel 908 TealJessica Angel 908 Teal
Jessica Angel 908 Sale price$450 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
SCALA 60100 Hot PinkSCALA 60100 Hot Pink
SCALA 60100 B Sale price$473 USD
Atria 7050HAtria 7050H
Atria 7050H Sale price$450 USD
Jessica Angel 2429 PlumJessica Angel 2429 Plum
Jessica Angel 2429 Sale price$550 USD
Jessica Angel 2601 Dark BlueJessica Angel 2601 Dark Blue
Jessica Angel 2601 Sale price$350 USD
Andrea and Leo A1232 SageAndrea and Leo A1232 Paris Blue
Andrea and Leo A1232 Sale price$228 USD
Faviana E11015 RoyalFaviana E11015 Royal
Faviana E11015 Sale price$338 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

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!