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Long Formal Party Dresses & Formal Prom Gowns

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Andrea and Leo A1206 GreenaryAndrea and Leo A1206 Lavender
Andrea and Leo A1206 Sale price$ 4,414 Regular price$ 9,468
Elizabeth K GL3522 GreenElizabeth K GL3522 Red
Elizabeth K GL3522 Sale price$ 20,136
Andrea and Leo A0890 Dusty BlueAndrea and Leo A0890 Dusty Blue
Andrea and Leo A0890 Sale price$ 8,841
May Queen LK261 Rose GoldMay Queen LK261
May Queen LK261 Sale price$ 12,402
May Queen LK265 SageMay Queen LK265 Sage
May Queen LK265 Sale price$ 24,003
Clarisse 810974 LilacClarisse 810974 Lilac
Clarisse 810974 Sale price$ 8,668
Mac Duggal 9164 In Pink MultiMac Duggal 9164 In Pink Multi
Mac Duggal 9164 Sale price$ 12,975
Andrea and Leo A1334 BlushAndrea and Leo A1334 Blue
Andrea and Leo A1334 Sale price$ 5,748 Regular price$ 12,522
La Femme 32771 BlackLa Femme 32771 Black
La Femme 32771 Sale price$ 7,748
Alyce Paris 61479 RoyalAlyce Paris 61479 Royal
Alyce Paris 61479 Sale price$ 10,562
Ladivine CD801 Smoky BlueLadivine CD801 Emerald
Ladivine CD801 Sale price$ 4,961
GLS by Gloria GL3229 Hot PinkGLS by Gloria GL3229 Hot Pink
GLS by Gloria GL3229 Sale price$ 5,028 Regular price$ 10,042
La Femme 32633 Light PeriwinkleLa Femme 32633 Light Periwinkle
La Femme 32633 Sale price$ 8,748
Andrea and Leo A1332 BlueAndrea and Leo A1332 Blue
Andrea and Leo A1332 Sale price$ 5,748 Regular price$ 13,335
La Femme 32594 BlackLa Femme 32594 Black
La Femme 32594 Sale price$ 8,748
La Femme - 30536 Ruched V-Neck Ballgown In PurpleLa Femme - 30536 Ruched V-Neck Ballgown In Purple
La Femme 30536 Sale price$ 7,415
Elizabeth K GL2802Elizabeth K GL2802
Elizabeth K GL2802 Sale price$ 7,668 Regular price$ 15,322
Ladivine CD940 BlueLadivine CD940 Platinum
Ladivine CD940 Sale price$ 4,454 Regular price$ 9,602
Andrea and Leo A1113 GreeneryAndrea and Leo A1113 Greenery
Andrea and Leo A1113 Sale price$ 8,028 Regular price$ 14,215
Faviana S10400 Deep MauveFaviana S10400 Deep Mauve
Faviana S10400 Sale price$ 7,041
Jovani 23362 in BlueJovani 23362 in Blue
Jovani 23362 Sale price$ 30,150
Elizabeth K GL3520 LavenderElizabeth K GL3520 Lavender
Elizabeth K GL3520 Sale price$ 23,696
GLS by Gloria GL3138 BlackGLS by Gloria GL3138 Black
GLS by Gloria GL3138 Sale price$ 6,348 Regular price$ 12,682
La Femme 32703 Light PeriwinkleLa Femme 32703 Light Periwinkle
La Femme 32703 Sale price$ 11,135
Portia and Scarlett PS25272 BluePortia and Scarlett PS25272 Blue
Portia and Scarlett PS25272 Sale price$ 12,122
Dancing Queen 4316Dancing Queen 4316
Dancing Queen 4316 Sale price$ 5,081
Alyce Paris 61668 Ice LilacAlyce Paris 61668 Ice Lilac
Alyce Paris 61668 Sale price$ 11,962
Andrea and Leo A1134 ChampagneAndrea and Leo A1134 Champagne
Andrea and Leo A1134 Sale price$ 7,961
Portia and Scarlett PS26148Portia and Scarlett PS26148
Portia and Scarlett PS26148 Sale price$ 11,988
La Femme 30693 In PinkLa Femme 30693 In Pink
La Femme 30693 Sale price$ 9,268
Dancing Queen 1672Dancing Queen 1672
Dancing Queen 1672 Sale price$ 11,335
Jovani 23951 Pink MultiJovani 23951 Pink Multi
Jovani 23951 Sale price$ 18,096
Ladivine J835 EmeraldLadivine J835
Ladivine J835 Sale price$ 1,787 Regular price$ 3,881
Portia and Scarlett PS26048Portia and Scarlett PS26048
Portia and Scarlett PS26048 Sale price$ 11,455
GLS by Gloria GL3265 BlueGLS by Gloria GL3265 Blue
GLS by Gloria GL3265 Sale price$ 5,454 Regular price$ 10,908
GLS by Gloria GL3212 Light GreenGLS by Gloria GL3212 Light Green
GLS by Gloria GL3212 Sale price$ 5,521
Andrea and Leo A1330 BlushAndrea and Leo A1330 Blush
Andrea and Leo A1330 Sale price$ 5,788
Mac Duggal - 11293 Petal High Low A-Line Gown In BlackMac Duggal - 11293 Petal High Low A-Line Gown In Pink
Mac Duggal 11293 Sale price$ 9,241
Ladivine CD210C Metallic BlueLadivine CD210C Metallic Blue
Ladivine CD210C Sale price$ 4,188
Elizabeth K GL1912 Rose GoldElizabeth K GL1912 Rose Gold
Elizabeth K GL1912 Sale price$ 15,882 Regular price$ 31,751
Elizabeth K GL3576 PurpleElizabeth K GL3576 Purple
Elizabeth K GL3576 Sale price$ 20,136
Mac Duggal 20377 In PinkMac Duggal 20377 In Pink
Mac Duggal 20377 Sale price$ 4,721 Regular price$ 9,295
Elizabeth K GL1969 BlushElizabeth K GL1969 Blush
Elizabeth K GL1969 Sale price$ 11,682 Regular price$ 23,363
La Femme 32680 BlackLa Femme 32680 Black
La Femme 32680 Sale price$ 8,121
Clarisse 810559 RedClarisse 810559 Red Blue
Clarisse 810559 Sale price$ 8,001 Regular price$ 10,402
GLS by Gloria GL3244 PinkGLS by Gloria GL3244 Pink
GLS by Gloria GL3244 Sale price$ 8,228 Regular price$ 16,456
Alyce Paris 61616 OceanAlyce Paris 61616 Ocean
Alyce Paris 61616 Sale price$ 9,562
GLS by Gloria GL3281 OliveGLS by Gloria GL3281 Olive
GLS by Gloria GL3281 Sale price$ 7,175 Regular price$ 14,335

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!