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Long Formal Party Dresses & Formal Gowns

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La Femme 32239 Dark EmeraldLa Femme 32239 Dark Emerald
La Femme 32239 Sale price$ 5,928
La Femme 28985 Dark EmeraldLa Femme 28985 Red
La Femme 28985 Sale price$ 8,729
Sold outDancing Queen 4253 In PinkDancing Queen 4253 In Pink
Dancing Queen 4253 Sale price$ 4,924
La Femme 31256 PurpleLa Femme 31256 Blue
La Femme 31256 Sale price$ 5,928
La Femme 30413 Light PeriwinkleLa Femme 30413 Nude
La Femme 30413 Sale price$ 5,928
La Femme 32289 Dark EmeraldLa Femme 32289 Dark Emerald
La Femme 32289 Sale price$ 6,142
La Femme 31301 Royal BlueLa Femme 31301 Royal Blue
La Femme 31301 Sale price$ 6,983
La Femme - 30615 High Slit Scoop Sequined Long Dress In PinkLa Femme - 30615 High Slit Scoop Sequined Long Dress In Pink
La Femme 30615 Sale price$ 4,522
La Femme 32288 Lavender GrayLa Femme 32288 Lavender Gray
La Femme 32288 Sale price$ 10,487
La Femme 32065 Dark EmeraldLa Femme 32065 Dark Emerald
La Femme 32065 Sale price$ 8,377
Ladivine CB119 RedLadivine CB119 Red
Ladivine CB119 Sale price$ 1,683 Regular price$ 2,814
Elizabeth K GL3030 In NeutralElizabeth K GL3030 In Neutral
Elizabeth K GL3030 Sale price$ 4,698 Regular price$ 9,395
Ladivine CD286 Neon GreenLadivine CD286 Neon Green
Ladivine CD286 Sale price$ 1,633 Regular price$ 3,630
La Femme 32089 Cloud BlueLa Femme 32089 Cloud Blue
La Femme 32089 Sale price$ 8,729
Atria - 6004H Bustier Cutout Gown In BlackAtria - 6004H Bustier Cutout Gown In Black
Atria 6004H Sale price$ 7,021
La Femme 31234 GreenLa Femme 31234 Green
La Femme 31234 Sale price$ 5,577
Ieena Duggal - 67879I Draped Bishop Sleeve Dress In GreenIeena Duggal - 67879I Draped Bishop Sleeve Dress In Green
Ieena Duggal 67879 Sale price$ 6,079
La Femme - 29759 Metallic Ruffle Accented Dress In BlueLa Femme - 29759 Metallic Ruffle Accented Dress In White & Ivory
La Femme 29759 Sale price$ 4,873
La Femme 32033 Dark BerryLa Femme 32033 Dark Berry
La Femme 32033 Sale price$ 10,487
La Femme 32026 SageLa Femme 32026 Sage
La Femme 32026 Sale price$ 12,233
Andrea and Leo A0824 MidnightAndrea and Leo A0824 Midnight
Andrea and Leo A0824 Sale price$ 3,731 Regular price$ 9,106
La Femme - 29027 V Neck Trumpet Dress With Slit In BlueLa Femme - 29027 V Neck Trumpet Dress With Slit In Blue
La Femme 29027 Sale price$ 6,142
La Femme - 29053 V Neck Sheath Dress With Slit In BlueLa Femme - 29053 V Neck Sheath Dress With Slit In Blue
La Femme 29053 Sale price$ 6,142
La Femme 32316 EmeraldLa Femme 32316 Emerald
La Femme 32316 Sale price$ 7,888
La Femme 32346 EmeraldLa Femme 32346 Emerald
La Femme 32346 Sale price$ 10,487
Ladivine CD865 PlatinumLadivine CD865 Platinum
Ladivine CD865 Sale price$ 7,297
Ladivine CB148 BlueLadivine CB148 Blue
Ladivine CB148 Sale price$ 1,909 Regular price$ 3,191
La Femme - 28860 Sequin Halter Evening Dress In PurpleLa Femme - 28860 Sequin Halter Evening Dress In Purple
La Femme 28860 Sale price$ 6,983
La Femme 29681 RedLa Femme 29681 Red
La Femme 29681 Sale price$ 5,225
Faviana S10682 In YellowFaviana S10682 In Yellow
Faviana S10682 Sale price$ 8,377
La Femme 31523 RedLa Femme 31523 Red
La Femme 31523 Sale price$ 4,183
La Femme 32416 PeachLa Femme 32416 Peach
La Femme 32416 Sale price$ 10,136
La Femme 32194 Dark EmeraldLa Femme 32194 Royal Blue
La Femme 32194 Sale price$ 6,632
La Femme 32054 Neon PinkLa Femme 32054 Neon Pink
La Femme 32054 Sale price$ 8,377
La Femme - 29007 Off Shoulder Jersey A-Line Dress With Slit In BlackLa Femme - 29007 Off Shoulder Jersey A-Line Dress With Slit In Red
La Femme 29007 Sale price$ 6,983
La Femme 32049 Dark BerryLa Femme 32049 Dark Berry
La Femme 32049 Sale price$ 10,487
La Femme 31309 Light PeriwinkleLa Femme 31309 Light Periwinkle
La Femme 31309 Sale price$ 8,729
La Femme 30681 Hot PinkLa Femme 30681 Hot Pink
La Femme 30681 Sale price$ 4,183
Dancing Queen 4250 In RedDancing Queen 4250 In Red
Dancing Queen 4250 Sale price$ 5,376
La Femme 32330 PurpleLa Femme 32330 Purple
La Femme 32330 Sale price$ 5,225
Ladivine CH077C Emeraldvideowise-widget-6675879ca76a3d00290aacea-10105645695169
Ladivine CH077C Sale price$ 2,010 Regular price$ 2,776
La Femme 31389 WhiteLa Femme 31389 White
La Femme 31389 Sale price$ 6,280
Ladivine CM350 Hot PinkLadivine CM350 Hot Pink
Ladivine CM350 Sale price$ 3,316 Regular price$ 6,381
Ladivine CDS440 Dusty BlueLadivine CDS440 Emerald
Ladivine CDS440 Sale price$ 2,500 Regular price$ 6,255
La Femme 32301 Dark BerryLa Femme 32301 Dark Berry
La Femme 32301 Sale price$ 8,729
Ladivine Y025 BlackLadivine Y025 Green
Ladivine Y025 Sale price$ 1,633 Regular price$ 4,095
Atria - 6409H Crisscross Open Back Shiny Evening Gown In GoldAtria - 6409H Crisscross Open Back Shiny Evening Gown In Gold
Atria 6409H Sale price$ 7,373
La Femme 32095 MultiLa Femme 32095 Multi
La Femme 32095 Sale price$ 8,729

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!