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Long Formal Party Dresses & Formal Gowns

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La Femme 32445 Bright GreenLa Femme 32445 Bright Green
La Femme 32445 Sale price$ 8,736
Ladivine CDS482 ChampagneLadivine CDS482 Champagne
Ladivine CDS482 Sale price$ 5,996
La Femme 29969 Neon PinkLa Femme 29969 Neon Pink
La Femme 29969 Sale price$ 5,229
La Femme 31407 PurpleLa Femme 31407 Purple
La Femme 31407 Sale price$ 7,693
 La Femme 31170 RedLa Femme 31170 Red
La Femme 31170 Sale price$ 4,186
Elizabeth K GL3053 In NeutralElizabeth K GL3053 In Neutral
Elizabeth K GL3053 Sale price$ 4,676 Regular price$ 9,339
La Femme - 29693 Off Shoulder High Slit Lace Dress In BlackLa Femme - 29693 Off Shoulder High Slit Lace Dress In Purple
La Femme 29693 Sale price$ 6,637
La Femme 31916 NavyLa Femme 31916 Navy
La Femme 31916 Sale price$ 8,736
La Femme - 28529 Low-Cut Backless Allover Sequin Fitted Gown In BlackLa Femme - 28529 Low-Cut Backless Allover Sequin Fitted Gown In Red
La Femme 28529 Sale price$ 4,525
La Femme 32223 BlueLa Femme 32223 Blue
La Femme 32223 Sale price$ 10,144
La Femme - 30504 V Neck Beaded Crisscross Long Gown In Pink and NeutralLa Femme - 30504 V Neck Beaded Crisscross Long Gown In Pink and Neutral
La Femme 30504 Sale price$ 5,581
La Femme 32250 Royal BlueLa Femme 32250 Royal Blue
La Femme 32250 Sale price$ 14,002
La Femme 31437 Light PeriwinkleLa Femme 31437 Light Periwinkle
La Femme 31437 Sale price$ 5,933
La Femme 32278 Royal BlueLa Femme 32278 Royal Blue
La Femme 32278 Sale price$ 12,243
Elizabeth K GL3039 In RedElizabeth K GL3039 In Red
Elizabeth K GL3039 Sale price$ 4,613 Regular price$ 9,213
La Femme 32075 BronzeLa Femme 32075 Bronze
La Femme 32075 Sale price$ 5,933
La Femme 31581 Blue and PurpleLa Femme 31581 Blue and Purple
La Femme 31581 Sale price$ 8,736
Ladivine CH165 In PurpleLadivine CH165 In Purple
Ladivine CH165 Sale price$ 1,634 Regular price$ 3,030
La Femme 31980 ChampagneLa Femme 31980 Champagne
La Femme 31980 Sale price$ 6,989
Ladivine C155 FuchsiaLadivine C155 Fuchsia
Ladivine C155 Sale price$ 1,634 Regular price$ 3,206
La Femme 31444 BlueLa Femme 31444 Blue
La Femme 31444 Sale price$ 6,989
Ladivine CDS448 BlackLadivine CDS448 Black
Ladivine CDS448 Sale price$ 1,634 Regular price$ 2,929
La Femme - 29611 Scoop Neck Strappy Open Back Floral Lace Gown In RedLa Femme - 29611 Scoop Neck Strappy Open Back Floral Lace Gown In Blue
La Femme 29611 Sale price$ 1,634
La Femme 32195 Dark TealLa Femme 32195 Dark Teal
La Femme 32195 Sale price$ 6,285
La Femme - 29055 Deep V Neck Jersey Fitted Dress In PurpleLa Femme - 29055 Deep V Neck Jersey Fitted Dress In Green
La Femme 29055 Sale price$ 6,147
La Femme 32311 BlackLa Femme 32311 Black
La Femme 32311 Sale price$ 7,856
La Femme 31212 SilverLa Femme 31212 Silver
La Femme 31212 Sale price$ 5,229
La Femme 32062 Light PeriwinkleLa Femme 32062 Light Periwinkle
La Femme 32062 Sale price$ 10,495
Faviana S10672 In BlueFaviana S10672 In Blue
Faviana S10672 Sale price$ 6,989
La Femme 28558 Light PeriwinkleLa Femme 28558 Mauve
La Femme 28558 Sale price$ 5,229
Ladivine CDS454 ChampagneLadivine CDS454 Champagne
Ladivine CDS454 Sale price$ 2,502 Regular price$ 5,694
La Femme 31218 RedLa Femme 31218 Red
La Femme 31218 Sale price$ 6,637
Ladivine CD846 Black-SilverLadivine CD846 Black-Silver
Ladivine CD846 Sale price$ 8,208
Ladivine CD864 SilverLadivine CD864 Mauve
Ladivine CD864 Sale price$ 7,517
La Femme 32022 Dark EmeraldLa Femme 32022 Dark Emerald
La Femme 32022 Sale price$ 10,495
La Femme 31428 Neon PinkLa Femme 31428 Neon Pink
La Femme 31428 Sale price$ 4,186
La Femme 31989 Light BlueLa Femme 31989 Light Blue
La Femme 31989 Sale price$ 8,384
La Femme 31078 Dark BerryLa Femme 31078 Dark Berry
La Femme 31078 Sale price$ 5,229
La Femme 31326 Light PeriwinkleLa Femme 31326 Light Periwinkle
La Femme 31326 Sale price$ 5,933
La Femme 31575 PinkLa Femme 31575 Pink
La Femme 31575 Sale price$ 5,229
La Femme 32450 BlackLa Femme 32450 Black
La Femme 32450 Sale price$ 12,243
Ladivine CB139 Hot PinkLadivine CB139 Royal
Ladivine CB139 Sale price$ 3,319 Regular price$ 6,385
La Femme 30495 Cloud Blue La Femme 30495 Cloud Blue
La Femme 30495 Sale price$ 9,440
Andrea and Leo A0823 SilverAndrea and Leo A0823 Silver
Andrea and Leo A0823 Sale price$ 5,242 Regular price$ 9,364
La Femme 32039 Cloud BlueLa Femme 32039 Cloud Blue
La Femme 32039 Sale price$ 10,495
La Femme 32318 NudeLa Femme 32318 Nude
La Femme 32318 Sale price$ 8,736
Ladivine J869Ladivine J869
Ladivine J869 Sale price$ 3,733
La Femme - 28051 Rhinestone Beaded Off Shoulder A-Line Evening Dress In BlackLa Femme - 28051 Rhinestone Beaded Off Shoulder A-Line Evening Dress In Black
La Femme 28051 Sale price$ 7,693 Regular price$ 10,797

2026 Long Formal Party Dresses & Formal Prom Gowns
Check out our 2026 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!