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Long Formal Party Dresses & Formal Prom Gowns

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Elizabeth K GL3079 BlueElizabeth K GL3079 Blue
Elizabeth K GL3079 Sale price$867 USD
Portia and Scarlett PS25246 WhitePortia and Scarlett PS25246
Portia and Scarlett PS25246 Sale price$658 USD
Ieena Duggal 55661 In Black and MultiIeena Duggal 55661 In Black and Multi
Ieena Duggal 55661 Sale price$398 USD
Clarisse 810539 Deep FuchsiaClarisse 810539 Deep Fuchsia
Clarisse 810539 Sale price$338 USD
Alyce Paris 61482 RedAlyce Paris 61482 Red
Alyce Paris 61482 Sale price$368 USD
La Femme 33010La Femme 33010
La Femme 33010 Sale price$274 USD
Ieena Duggal 26731 BlackIeena Duggal 26731 Black
Ieena Duggal 26731 Sale price$398 USD
Ieena Duggal - 26512I One Shoulder Neckline Cowl Back High Slit Gown In PinkIeena Duggal 26512 Pink
Ieena Duggal 26512I Sale price$298 USD
Portia and Scarlett PS26403CPortia and Scarlett PS26403C
Portia and Scarlett PS26403C Sale price$899 USD
Mac Duggal 42135 PurpleMac Duggal 42135 Black
Mac Duggal 42135 Sale Sale price$199 USD Regular price$398 USD
SCALA 60406SCALA 60406
SCALA 60406 Sale price$438 USD
GLS by Gloria GL3309 Royal BlueGLS by Gloria GL3309 Royal Blue
GLS by Gloria GL3309 Sale price$274 USD
GLS by Gloria GL3409 Baby BlueGLS by Gloria GL3409 Baby Blue
GLS by Gloria GL3409 Sale price$389 USD
Andrea and Leo A1258 Dusty SageAndrea and Leo A1258 Dusty Blue
Andrea and Leo A1258 Sale price$218 USD Regular price$472 USD
La Femme 32217 Royal BlueLa Femme 32217 Royal Blue
La Femme 32217 Sale price$436 USD
SCALA 48977 Ivory NudeSCALA 48977 Ivory Nude
SCALA 48977 Sale price$473 USD
Jessica Angel 2530 RoyalJessica Angel 2530 Royal
Jessica Angel 2530 Sale price$550 USD
Ieena Duggal 26733 TealIeena Duggal 26733 Teal
Ieena Duggal 26733 Sale price$398 USD
Jovani 09129 BlueJovani 09129 Blue
Jovani 09129 Sale price$750 USD
May Queen MQ1839 BlackMay Queen MQ1839 Black
May Queen MQ1839 Sale price$150 USD
SCALA 60396SCALA 60396
SCALA 60396 Sale price$526 USD
Ladivine BD104WLadivine BD104W
Ladivine BD104W Sale price$149 USD
Faviana S10843 RedFaviana S10843 Red
Faviana S10843 Sale price$338 USD
May Queen RQ8182 Ivory NudeMay Queen RQ8182 Ivory Nude
May Queen RQ8182 Sale price$386 USD
SCALA 61319 Dusty PinkSCALA 61319 Dusty Pink
SCALA 61319 Sale price$636 USD
GLS by Gloria GL3382 LilacGLS by Gloria GL3382 Lilac
GLS by Gloria GL3382 Sale price$297 USD
GLS by Gloria GL3120 Smoky BlueGLS by Gloria GL3120 Smoky Blue
GLS by Gloria GL3120 Sale price$343 USD Regular price$640 USD
Elizabeth K GL3502Elizabeth K GL3502
Elizabeth K GL3502 Sale price$717 USD
Elizabeth K GL3148 Lapis BlueElizabeth K GL3148 Lapis Blue
Elizabeth K GL3148 Sale price$251 USD Regular price$2,094 USD
Mac Duggal 10780Mac Duggal 10780 In Pink
Mac Duggal 10780 Sale price$299 USD Regular price$598 USD
Ieena Duggal 11591 TealIeena Duggal 11591 Teal
Ieena Duggal 11591 Sale price$598 USD
SCALA 61343 Iris BlueSCALA 61343 Iris Blue
SCALA 61343 Sale price$460 USD
SCALA 61320 SilverSCALA 61320 Silver
SCALA 61320 Sale price$438 USD
Atria 6840HAtria 6840H
Atria 6840H Sale price$440 USD
Elizabeth K GL1959 BlushElizabeth K GL1959 Blush
Elizabeth K GL1959 Sale price$687 USD Regular price$1,494 USD
GLS by Gloria GL3358 LilacGLS by Gloria GL3358 Lilac
GLS by Gloria GL3358 Sale price$343 USD
La Femme 32675 Light PeriwinkleLa Femme 32675 Light Periwinkle
La Femme 32675 Sale price$498 USD
Mac Duggal - 5496 Lattice Sequined Long Gown In Pink and NeutralMac Duggal - 5496 Lattice Sequined Long Gown In Pink and Neutral
Mac Duggal 5496 Sale price$698 USD
Elizabeth K GL3605 Off WhiteElizabeth K GL3605 Off White
Elizabeth K GL3605 Sale price$927 USD
GLS by Gloria GL3033 In RedGLS by Gloria GL3033 In Red
GLS by Gloria GL3033 Sale price$343 USD Regular price$502 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
Elizabeth K GL3611 Light BlueElizabeth K GL3611 Light Blue
Elizabeth K GL3611 Sale price$1,047 USD
Ieena Duggal 261941 BronzeIeena Duggal 261941 Bronze
Ieena Duggal 261941 Sale price$298 USD
La Femme - 27854 Quarter Sleeve Floral Lace A-Line Dress In PurpleLa Femme - 27854 Quarter Sleeve Floral Lace A-Line Dress In Purple
La Femme 27854 Sale price$470 USD
Dancing Queen 4325Dancing Queen 4325
Dancing Queen 4325 Sale price$201 USD Regular price$267 USD
La Femme - 27944 Floral Lace A-Line Evening Dress In Silver and GrayLa Femme - 27944 Floral Lace A-Line Evening Dress In Silver and Gray
La Femme 27944 Sale price$578 USD
Mac Duggal 1068 Shimmering GoldMac Duggal 1068 Shimmering Gold
Mac Duggal 1068 Sale price$338 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!