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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 31932 IndigoLa Femme 31932 Indigo
La Femme 31932 Sale price$ 9,264
La Femme 31570 Light PeriwinkleLa Femme 31570 Light Periwinkle
La Femme 31570 Sale price$ 10,383
Sold outLa Femme 31556 PurpleLa Femme 31556 Purple
La Femme 31556 Sale price$ 8,891
La Femme 32231 Royal BlueLa Femme 32231 Royal Blue
La Femme 32231 Sale price$ 8,158
La Femme 32107 Dark BerryLa Femme 32107 Dark Berry
La Femme 32107 Sale price$ 10,010
La Femme 32156 LavenderLa Femme 32156 Lavender
La Femme 32156 Sale price$ 11,130
Sold outvideowise-widget-6675879ca76a3d00290aacea-7527827996865Ladivine CD282 Black
Ladivine CD282 Sale price$ 3,852
La Femme 31939 LavenderLa Femme 31939 Lavender
La Femme 31939 Sale price$ 11,130
Ladivine CD310 BlackLadivine CD310 Black
Ladivine CD310 Sale price$ 3,559 Regular price$ 6,958
Ladivine CD283 Red and OrangeLadivine CD283 Red and Orange
Ladivine CD283 Sale price$ 2,226 Regular price$ 4,479
Andrea and Leo A0767 BlueAndrea and Leo A0767 Blush
Andrea and Leo A0767 Sale price$ 8,811 Regular price$ 16,155
La Femme 31457 Dark BerryLa Femme 31457 Dark Berry
La Femme 31457 Sale price$ 7,038
Ladivine CD307 RoyalLadivine CD307 Black
Ladivine CD307 Sale price$ 3,986
La Femme 32218 BlackLa Femme 32218 Black
La Femme 32218 Sale price$ 12,982
Ladivine CDS470 Dusty Bluevideowise-widget-6675879ca76a3d00290aacea-10110062821569
Ladivine CDS470 Sale price$ 3,999 Regular price$ 7,958
 La Femme 31249 BlackLa Femme 31249 Black
La Femme 31249 Sale price$ 7,411
La Femme 32012 Royal BlueLa Femme 32012 Royal Blue
La Femme 32012 Sale price$ 8,891
Ladivine CDS440C Dust BlueLadivine CDS440C Black
Ladivine CDS440C Sale price$ 3,999
Ladivine CD0220 Rose GoldLadivine CD0220 Rose Gold
Ladivine CD0220 Sale price$ 3,999 Regular price$ 8,291
La Femme 32212 IndigoLa Femme 32212 Indigo
La Femme 32212 Sale price$ 6,292
Sold outLa Femme - 30750 Embroidered Corset Long Gown In PurpleLa Femme - 30750 Embroidered Corset Long Gown In Purple
La Femme 30750 Sale price$ 6,665
Sold outLa Femme 31520 Dark BerryLa Femme 31520 Dark Berry
La Femme 31520 Sale price$ 7,038
Ladivine CB046 Smoky BlueLadivine CB046 Rose Gold
Ladivine CB046 Sale price$ 5,852 Regular price$ 6,638
La Femme 30334 Dark BerryLa Femme 30334 Dark Berry
La Femme 30334 Sale price$ 8,891
La Femme - 30171 Sleeveless Stretch Lace Gown In BlueLa Femme - 30171 Sleeveless Stretch Lace Gown In Blue
La Femme 30171 Sale price$ 7,411
La Femme 29977 BlueLa Femme 29977 Blue
La Femme 29977 Sale price$ 7,411
Ladivine CD992 BlackLadivine CD992 Lavender
Ladivine CD992 Sale price$ 3,519 Regular price$ 7,451
La Femme - 28543 Lace Bodice High Slit Dress In BlueLa Femme - 28543 Lace Bodice High Slit Dress In Champagne & Gold
La Femme 28543 Sale price$ 8,371
Ladivine CD331 FuchsiaLadivine CD331 Fuchsia
Ladivine CD331 Sale price$ 3,559 Regular price$ 6,918
La Femme 32087 BlackLa Femme 32087 Black
La Femme 32087 Sale price$ 11,130
La Femme 32160 WineLa Femme 32160 Wine
La Femme 32160 Sale price$ 6,292
La Femme 32258 BlackLa Femme 32258 Black
La Femme 32258 Sale price$ 8,158
Ladivine CM356 PinkLadivine CM356 Pink
Ladivine CM356 Sale price$ 3,119 Regular price$ 6,811
La Femme 32414 ChampagneLa Femme 32414 Champagne
La Femme 32414 Sale price$ 10,757
Ladivine CB144 MauveLadivine CB144 Sage
Ladivine CB144 Sale price$ 3,519 Regular price$ 7,531
La Femme 32298 PapayaLa Femme 32298 Papaya
La Femme 32298 Sale price$ 8,891
La Femme 32117 MauveLa Femme 32117 Mauve
La Femme 32117 Sale price$ 10,010
La Femme 32321 Bright GreenLa Femme 32321 Bright Green
La Femme 32321 Sale price$ 8,158
La Femme 32151 BlackLa Femme 32151 Black
La Femme 32151 Sale price$ 14,848
La Femme 31411 PurpleLa Femme 31411 Purple
La Femme 31411 Sale price$ 8,158
La Femme 32437 Dark EmeraldLa Femme 32437 Dark Emerald
La Femme 32437 Sale price$ 11,130
La Femme 32064 BlackLa Femme 32064 Black
La Femme 32064 Sale price$ 8,891
La Femme 32447 Light PeriwinkleLa Femme 32447 Light Periwinkle
La Femme 32447 Sale price$ 10,383
La Femme 32216 Dark EmeraldLa Femme 32216 Dark Emerald
La Femme 32216 Sale price$ 9,264
La Femme 32230 RedLa Femme 32230 Red
La Femme 32230 Sale price$ 8,891
La Femme 31857 Dark BerryLa Femme 31857 Dark Berry
La Femme 31857 Sale price$ 8,891
La Femme 31526 BlueLa Femme 31526 Blue
La Femme 31526 Sale price$ 7,038
Ladivine CDS491 GoldLadivine CDS491 Gold
Ladivine CDS491 Sale price$ 2,626 Regular price$ 5,519

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!