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Long Formal Party Dresses & Formal Prom Gowns

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Mac Duggal Cocktail - 30750D Pleated Glitter A-Line Dress In Champagne & GoldMac Duggal Cocktail - 30750D Pleated Glitter A-Line Dress In Champagne & Gold
Mac Duggal 30750 Sale price$498 USD
La Femme 31953 MultiLa Femme 31953 Multi
La Femme 31953 Sale price$298 USD
La Femme 32216 Dark EmeraldLa Femme 32216 Dark Emerald
La Femme 32216 Sale price$498 USD
La Femme 30690 In PinkLa Femme 30690 In Pink
La Femme 30690 Sale price$79 USD
La Femme 32151 BlackLa Femme 32151 Black
La Femme 32151 Sale price$798 USD
Mac Duggal - 49054I Sleeveless Tiered High Slit A-Line Dress In RedMac Duggal - 49054I Sleeveless Tiered High Slit A-Line Dress In Red
Mac Duggal 49054 Sale price$458 USD
La Femme - 28945 Lace Off Shoulder Trumpet Dress In BlackLa Femme - 28945 Lace Off Shoulder Trumpet Dress In Black
La Femme 28945 Sale price$438 USD
La Femme 31105 GreenLa Femme 31105 Green
La Femme 31105 Sale price$398 USD
La Femme 32082 Light PeriwinkleLa Femme 32082 Light Periwinkle
La Femme 32082 Sale price$598 USD
La Femme 31516 Royal BlueLa Femme 31516 Royal Blue
La Femme 31516 Sale price$258 USD
La Femme 31857 Dark BerryLa Femme 31857 Dark Berry
La Femme 31857 Sale price$478 USD
La Femme 32327 NudeLa Femme 32327 Nude
La Femme 32327 Sale price$598 USD
La Femme 32160 WineLa Femme 32160 Wine
La Femme 32160 Sale price$338 USD
Ladivine CD262 PurpleLadivine CD262 Purple
Ladivine CD262 Sale price$123 USD Regular price$233 USD
La Femme 32005 BlackLa Femme 32005 Black
La Femme 32005 Sale price$598 USD
 Ladivine CD883 BlackLadivine CD883 Green
Ladivine CD883 Sale price$78 USD Regular price$135 USD
Ladivine C142 OrangeLadivine C142 Green and Pink
Ladivine C142 Sale price$78 USD Regular price$172 USD
Ladivine CH171 In Black and RedLadivine CH171 In Pink
Ladivine CH171 Sale price$88 USD Regular price$177 USD
La Femme 32108 BlackLa Femme 32108 Black
La Femme 32108 Sale price$538 USD
La Femme 32314 Bright GreenLa Femme 32314 Bright Green
La Femme 32314 Sale price$498 USD
La Femme - 28648 Laced And Beaded Evening Gown In BlackLa Femme - 28648 Laced And Beaded Evening Gown In Black
La Femme 28648 Sale price$298 USD
La Femme 31257 BlackLa Femme 31257 Black
La Femme 31257 Sale price$558 USD
La Femme 32087 BlackLa Femme 32087 Black
La Femme 32087 Sale price$598 USD
Andrea and Leo A1012 MauveAndrea and Leo A1012 White
Andrea and Leo A1012 Sale price$499 USD
La Femme 30334 Dark BerryLa Femme 30334 Dark Berry
La Femme 30334 Sale price$478 USD
Dancing Queen 4287 In BlackDancing Queen 4287 In Green
Dancing Queen 4287 Sale price$201 USD
La Femme 31311 BlackLa Femme 31311 Black
La Femme 31311 Sale price$278 USD
Elizabeth K GL3045 In RedElizabeth K GL3045 In Red
Elizabeth K GL3045 Sale price$320 USD Regular price$456 USD
La Femme 32045 WhiteLa Femme 32045 White
La Femme 32045 Sale price$478 USD
Elizabeth K GL3035 In YellowElizabeth K GL3035 In Yellow
Elizabeth K GL3035 Sale price$228 USD Regular price$272 USD
Ladivine CH079 NavyLadivine CH079 Navy
Ladivine CH079 Sale price$142 USD
Ladivine CD975 Burgundyvideowise-widget-6675879ca76a3d00290aacea-7459521659073
Ladivine CD975 Sale price$125 USD Regular price$258 USD
La Femme 32321 Bright GreenLa Femme 32321 Bright Green
La Femme 32321 Sale price$438 USD
La Femme - 30613 Embellished Sheath Evening Dress In PinkLa Femme - 30613 Embellished Sheath Evening Dress In Pink
La Femme 30613 Sale price$258 USD
GLS by Gloria GL3006 In BlackGLS by Gloria GL3006 In Black
GLS by Gloria GL3006 Sale price$320 USD Regular price$1,974 USD
La Femme 32447 Light PeriwinkleLa Femme 32447 Light Periwinkle
La Femme 32447 Sale price$558 USD
Dancing Queen 4284 In RedDancing Queen 4284 In Red
Dancing Queen 4284 Sale price$242 USD
Ladivine CL03 BurgundyLadivine CL03 Black
Ladivine CL03 Sale price$78 USD Regular price$174 USD
La Femme 32337 AquaLa Femme 32337 Aqua
La Femme 32337 Sale price$478 USD
La Femme 30584 Royal BlueLa Femme 30584 Royal Blue
La Femme 30584 Sale price$478 USD
La Femme 31343 Dark EmeraldLa Femme 31343 Dark Emerald
La Femme 31343 Sale price$498 USD
Mac Duggal - 93603 Sleeveless Beaded Sequin Gown In NeutralMac Duggal - 93603 Sleeveless Beaded Sequin Gown In Neutral
Mac Duggal 93603 Sale price$398 USD
Ladivine CD832 Aqua Bluevideowise-widget-6675879ca76a3d00290aacea-10103833002177
Ladivine CD832 Sale price$153 USD Regular price$363 USD
Ladivine CC2162 EmeraldLadivine CC2162 Emerald
Ladivine CC2162 Sale price$125 USD Regular price$222 USD
Ladivine CM356 PinkLadivine CM356 Pink
Ladivine CM356 Sale price$153 USD Regular price$338 USD
Ladivine CD331 FuchsiaLadivine CD331 Fuchsia
Ladivine CD331 Sale price$175 USD Regular price$343 USD
Ieena Duggal - 26513I Faux Surplice High Slit Long Dress In BlackIeena Duggal 26513 Black
Ieena Duggal 26513I Sale price$298 USD
Mac Duggal 5390 In Multi ColorMac Duggal 5390 In Multi Color
Mac Duggal 5390 Sale price$249 USD Regular price$498 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!