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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS23521 in OrangePortia and Scarlett PS23521
Portia and Scarlett PS23521 Sale price$438 USD
Ieena Duggal 30763 GoldIeena Duggal 30763 Gold
Ieena Duggal 30763 Sale price$598 USD
Terani Couture 1911GL9512 PinkTerani Couture 1911GL9512 Pink
Terani Couture 1911GL9512 Sale price$1,397 USD
Ieena Duggal 2260 BlackIeena Duggal 2260 Black
Ieena Duggal 2260 Sale price$498 USD
Clarisse 810809 SageClarisse 810809 Sage
Clarisse 810809 Sale price$558 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
Mac Duggal 20189 TaupeMac Duggal 20189 Taupe
Mac Duggal 20189 Sale price$398 USD Regular price$796 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
Jessica Angel 2586 Dark Neon PinkJessica Angel 2586 Dark Neon Pink
Jessica Angel 2586 Sale price$450 USD
La Femme 32923 RedLa Femme 32923 Dark Emerald
La Femme 32923 Sale price$298 USD
Portia and Scarlett PS25277 FuchsiaPortia and Scarlett PS25277 Black
Portia and Scarlett PS25277 Sale price$702 USD
Ieena Duggal 26986 Antique GoldIeena Duggal 26986 Antique Gold
Ieena Duggal 26986 Sale price$358 USD
Faviana S10863 RedFaviana S10863 Red
Faviana S10863 Sale price$398 USD
SCALA 61325 Dusty PinkSCALA 61325 Dusty Pink
SCALA 61325 Sale price$570 USD
La Femme - 27920 Lace And Tulle A-Line Dress In PinkLa Femme - 27920 Lace And Tulle A-Line Dress In Blue
La Femme 27920 Sale price$436 USD
Mac Duggal 55712 In BlackMac Duggal 55712 In Black
Mac Duggal 55712 Sale price$498 USD
SCALA 61406 Sky/ComboSCALA 61406 Sky/Combo
SCALA 61406 Sale price$504 USD
Mac Duggal 50664 NavyMac Duggal 50664 Navy
Mac Duggal 50664 Sale Sale price$299 USD Regular price$598 USD
May Queen RQ8151 BlackMay Queen RQ8151 Black
The May Queen RQ8151 Sale price$260 USD
Jovani 24021 NavyJovani 24021 Navy
Jovani 24021 Sale price$700 USD
Alyce Paris 61378 - Sequin Embellished Sleeveless Prom Dress Special Occasion Dress 000 / GoldAlyce Paris 61378 - Sequin Embellished Sleeveless Prom Dress Special Occasion Dress
Alyce Paris 61378 Sale priceFrom $178
Alyce Paris 61483 RedAlyce Paris 61483 Red
Alyce Paris 61483 Sale price$348 USD
Jessica Angel 2627 RedJessica Angel 2627 Red
Jessica Angel 2627 Sale price$430 USD
La Femme 32756 BlackLa Femme 32756 Black
La Femme 32756 Sale price$378 USD
Alyce Paris 61877 Royal TurquoiseAlyce Paris 61877 Royal Turquoise
Alyce Paris 61877 Sale price$670 USD
Alyce Paris 61492 RedAlyce Paris 61492 Red
Alyce Paris 61492 Sale price$328 USD
Ieena Duggal 27061 Antique GoldIeena Duggal 27061 Antique Gold
Ieena Duggal 27061 Sale price$398 USD
Elizabeth K GL3564 Rose GoldElizabeth K GL3564 Rose Gold
Elizabeth K GL3564 Sale price$205 USD
Dancing Queen 4318Dancing Queen 4318
Dancing Queen 4318 Sale price$274 USD
Atria 7035H BasilAtria 7035H Basil
Atria 7035H Sale price$450 USD
Jessica Angel 2532 SeafoamJessica Angel 2532 Seafoam
Jessica Angel 2532 Sale price$450 USD
Andrea and Leo A1379Andrea and Leo A1379
Andrea and Leo A1379 Sale price$218 USD Regular price$480 USD
Jovani 26160 BlackJovani 26160 Black
Jovani 26160 Sale price$900 USD
La Femme 32518 TealLa Femme 32518 Teal
La Femme 32518 Sale price$338 USD
Atria 6524HAtria 6524H
Atria 6524H Sale price$398 USD
Mac Duggal 20368 In BlushMac Duggal 20368 In Blush
Mac Duggal A20368 Sale price$698 USD Regular price$1,396 USD
Portia and Scarlett PS25227Portia and Scarlett PS25227
Portia and Scarlett PS25227 Sale price$658 USD
GLS by Gloria GL3393 LilacGLS by Gloria GL3393 Lilac
GLS by Gloria GL3393 Sale price$228 USD
Jessica Angel 2519 RedJessica Angel 2519 Red
Jessica Angel 2519 Sale price$430 USD
Alyce Paris 61724 Magic Opal/SandAlyce Paris 61724 Magic Opal/Sand
Alyce Paris 61724 Sale price$398 USD
Ladivine J87 Smoky BlueLadivine J87 Smoky Blue
Ladivine J876 Sale price$249 USD
Mac Duggal - 67498 Floral Long Sleeve A-Line Gown In BlueMac Duggal - 67498 Floral Long Sleeve A-Line Gown In Silver
Mac Duggal A67498 Sale price$798 USD
La Femme - 28105 Floral V Neck A-Line Long Dress In Silver and GrayLa Femme - 28105 Floral V Neck A-Line Long Dress In Silver and Gray
La Femme 28105 Sale price$498 USD
Alyce Paris 61689 Blue Green/MultiAlyce Paris 61689 Blue Green/Multi
Alyce Paris 61689 Sale priceFrom $327.60
Sold outLadivine CD784 MauveLadivine CD784 Mauve
Ladivine CD784 Sale price$289 USD
Ladivine CM360 Smoky BlueLadivine CM360 Smoky Blue
Ladivine CM360 Sale price$299 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!