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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 32928 NavyLa Femme 32928 Navy
La Femme 32928 Sale price$ 8,447
Ladivine CD874 Rose GoldLadivine CD874 Rose Gold
Ladivine CD874 Sale price$ 2,422 Regular price$ 4,636
Clarisse 810725 Shimmer SageClarisse 810725 Shimmer Sage
Clarisse 810725 Sale price$ 7,816
Jessica Angel 2572 RedJessica Angel 2572 Red
Jessica Angel 2572 Sale price$ 11,164
Andrea and Leo A1053WAndrea and Leo A1053W
Andrea and Leo A1053W Sale price$ 7,430
Sold outMac Duggal 70264 SaffronMac Duggal 70264 Saffron
Mac Duggal 70264 Sale price$ 4,494
Mac Duggal 93909 RosewoodMac Duggal 93909 Rosewood
Mac Duggal 93909 Sale price$ 6,889 Regular price$ 13,031
Mac Duggal - 93584D Beaded Modest Evening Dress In Black and GoldMac Duggal - 93584D Beaded Modest Evening Dress In Black and Gold
Mac Duggal 93584D Sale price$ 8,383
Mac Duggal 20296 In BlackMac Duggal 20296 In Black
Mac Duggal 20296 Sale price$ 14,331
La Femme 32784 - Deep RedLa Femme 32784 - Deep Red
La Femme 32784 Sale price$ 4,996
Jessica Angel 2771Jessica Angel 2771
Jessica Angel 2771 Sale price$ 8,833
Jovani 23098 in RedJovani 23098 in Red
Jovani 23098 Sale price$ 9,709
GLS by Gloria GL3260 Royal BlueGLS by Gloria GL3260 Royal Blue
GLS by Gloria GL3260 Sale price$ 4,816 Regular price$ 9,632
Jovani 23890 BlackJovani 23890 Black Back
Jovani 23890 Sale price$ 17,473 Regular price$ 17,808
Portia and Scarlett PS25273 Gold
Portia and Scarlett PS25273 Sale price$ 13,379
Portia and Scarlett PS25249 LilacPortia and Scarlett PS25249 Lilac
Portia and Scarlett PS25249 Sale price$ 11,705
Portia and Scarlett PS25208Portia and Scarlett PS25208 Silver
Portia and Scarlett PS25208 Sale price$ 11,537
Faviana S10830 LilacFaviana S10830 Lilac
Faviana S10830 Sale price$ 9,310
Mac Duggal 50709 OrangeMac Duggal 50709 Orange
Mac Duggal 50709 Sale price$ 8,923
La Femme - 30044 Beaded Long Sheath Dress In PurpleLa Femme - 30044 Beaded Long Sheath Dress In Purple
La Femme 30044 Sale price$ 11,821
Ladivine CD962 MauveLadivine CD962 Mauve
Ladivine CD962 Sale price$ 5,344 Regular price$ 5,820
Clarisse 810721 Light BlueClarisse 810721 Light Blue
Clarisse 810721 Sale price$ 7,816
GLS by Gloria GL3135 Baby BlueGLS by Gloria GL3135 Baby Blue
GLS by Gloria GL3135 Sale price$ 6,580 Regular price$ 13,147
Alyce Paris 61854 Neon Purple/PinkAlyce Paris 61854 Neon Purple/Pink
Alyce Paris 61854 Sale price$ 7,069 Regular price$ 10,250
Ladivine CD45Ladivine CD45
Ladivine CD405 Sale price$ 4,353
Mac Duggal 27109 GreenMac Duggal 27109 Green
Mac Duggal 27109 Sale price$ 7,121
La Femme 33019 BlushLa Femme 33019 Blush
La Femme 33019 Sale price$ 10,391
Portia and Scarlett PS26253Portia and Scarlett PS26253
Portia and Scarlett PS26253 Sale price$ 15,567
SCALA 48977 Ivory NudeSCALA 48977 Ivory Nude
SCALA 48977 Sale price$ 7,893
Dancing Queen 4343Dancing Queen 4343
Dancing Queen 4343 Sale price$ 5,511
Ellie Wilde EW37011Ellie Wilde EW37011
Ellie Wilde EW37011 Sale price$ 8,743
SCALA 48883 RedSCALA 48883 Red
SCALA 48883 Sale price$ 7,301
Ieena Duggal 49523 SageIeena Duggal 49523 Sage
Ieena Duggal 49523 Sale price$ 5,318
Portia and Scarlett PS26091Portia and Scarlett PS26091
Portia and Scarlett PS26091 Sale price$ 14,924
La Femme 32825 Deep RedLa Femme 32825 Ivory
La Femme 32825 Sale price$ 6,799
La Femme 32757 ChampagneLa Femme 32757 Champagne
La Femme 32757 Sale price$ 6,438
Ladivine CD790 BurgundyLadivine CD790 Black
Ladivine CD790 Sale price$ 2,692
Ladivine KV1112 BurgundyLadivine KV1112 Black
Ladivine KV1112 Sale price$ 3,696
La Femme 32915 ChampagneLa Femme 32915 Champagne
La Femme 32915 Sale price$ 11,679
Jovani 26160 BlackJovani 26160 Black
Jovani 26160 Sale price$ 17,473 Regular price$ 17,808
Clarisse 811130 Iridescent BlueClarisse 811130 Iridescent Blue
Clarisse 811130 Sale price$ 7,816
Mac Duggal 50670 GreenMac Duggal 50670 Green
Mac Duggal 50670 Sale Sale price$ 5,589 Regular price$ 11,164
Ieena Duggal 30776 BlackIeena Duggal 30776 Black
Ieena Duggal 30776 Sale price$ 7,636
La Femme 32217 Royal BlueLa Femme 32217 Royal Blue
La Femme 32217 Sale price$ 7,842
Ieena Duggal 55952 Apple GreenIeena Duggal 55952 Apple Green
Ieena Duggal 55952 Sale price$ 7,636
Faviana S10859 Black MultiFaviana S10859 Black Multi
Faviana S10859 Sale price$ 8,589
GLS by Gloria GL3494 ChampagneGLS by Gloria GL3494 Champagne
GLS by Gloria GL3494 Sale price$ 10,250
Mac Duggal 93930 HeatherMac Duggal 93930 Heather
Mac Duggal 93930 Sale price$ 12,361

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!