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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3254 Dark SageGLS by Gloria GL3254 Dark Sage
GLS by Gloria GL3254 Sale price$ 5,004 Regular price$ 9,994
Jessica Angel 984 BlackJessica Angel 984 Black
Jessica Angel 984 Sale price$ 11,569
May Queen RQ7948 GreenMay Queen RQ7948 Green
May Queen RQ7948 Sale price$ 3,550
May Queen MQ1902 Rose GoldMay Queen MQ1902 Rose Gold
May Queen MQ1902 Sale price$ 4,057 Regular price$ 5,391
Portia and Scarlett PS25211 BlackPortia and Scarlett PS25211 Black
Portia and Scarlett PS25211 Sale price$ 15,252
GLS by Gloria GL3377 SageGLS by Gloria GL3377 Sage
GLS by Gloria GL3377 Sale price$ 5,031 Regular price$ 10,048
GLS by Gloria GL3273 SilverGLS by Gloria GL3273 Silver
GLS by Gloria GL3273 Sale price$ 6,846 Regular price$ 13,691
Sold outMac Duggal 5976 ApricotMac Duggal 5976 Apricot
Mac Duggal 5976 Sale price$ 14,851
Ieena Duggal 27085Ieena Duggal 27085
Ieena Duggal 27085 Sale price$ 7,699
Ladivine T704Ladivine T704
Ladivine T704 Sale price$ 2,349
May Queen RQ8187 Kiwi May Queen RQ8187 Kiwi
May Queen RQ8187 Sale price$ 10,715
Portia and Scarlett PS26208Portia and Scarlett PS26208
Portia and Scarlett PS26208 Sale price$ 15,732
Ladivine CM323 Navy GoldLadivine CM323 Navy Gold
Ladivine CM323 Sale price$ 2,242 Regular price$ 5,164
Ieena Duggal 30776 BlackIeena Duggal 30776 Black
Ieena Duggal 30776 Sale price$ 9,274
La Femme 32526 Hot PinkLa Femme 32526 Hot Pink
La Femme 32526 Sale price$ 5,551
Jessica Angel 2551 RedJessica Angel 2551 Red
Jessica Angel 2551 Sale price$ 10,301
Andrea and Leo A0997WAndrea and Leo A0997W
Andrea and Leo A0997W Sale price$ 10,835
Jessica Angel 2514 Dark BlueJessica Angel 2514 Dark Blue
Jessica Angel 2514 Sale price$ 8,207
Clarisse 811314 Dark JadeClarisse 811314 Dark Jade
Clarisse 811314 Sale price$ 9,307
SCALA 61327 Sky MultiSCALA 61327 Sky Multi
SCALA 61327 Sale price$ 11,369
Portia and Scarlett PS25248 BlackPortia and Scarlett PS25248 Black
Portia and Scarlett PS25248 Sale price$ 12,129
Portia and Scarlett PS25250 BluePortia and Scarlett PS25250
Portia and Scarlett PS25250 Sale price$ 13,864
Alyce Paris 61512 Neon PinkAlyce Paris 61512 Neon Pink
Alyce Paris 61512 Sale price$ 5,965
Alyce Paris 61457 BlueAlyce Paris 61457 Blue
Alyce Paris 61457 Sale price$ 3,790
La Femme - 29242 Satin V-Neck Homecoming Dress In Greengrade 8 grad dresses, graduation dressesLa Femme - 29242 Satin V-Neck Homecoming Dress In Greengrade 8 grad dresses, graduation dresses
La Femme 29242 Sale price$ 3,697
Andrea and Leo A1248 SageAndrea and Leo A1248 Sage
Andrea and Leo A1248 Sale price$ 6,445
Ladivine CD836 Deep Redvideowise-widget-6675879ca76a3d00290aacea-10083698835649
Ladivine CD836 Sale price$ 3,483
Mac Duggal 11779 BlackMac Duggal 11779 Black
Mac Duggal 11779 Sale price$ 16,719
May Queen MQ1920 PinkMay Queen MQ1920 Pink
May Queen MQ1920 Sale price$ 2,589 Regular price$ 3,550
Portia and Scarlett PS26115Portia and Scarlett PS26115
Portia and Scarlett PS26115 Sale price$ 13,464
May Queen RQ8164 ChampagneMay Queen RQ8164 Champagne
May Queen RQ8164 Sale price$ 9,888
La Femme 30639 BlackLa Femme 30639 Black
La Femme 30639 Sale price$ 8,380
Faviana 11033 GoldFaviana 11033 Gold
Faviana 11033 Sale price$ 8,900
Dancing Queen 4320Dancing Queen 4320
Dancing Queen 4320 Sale price$ 5,084
Ladivine CD994 BlueLadivine CD994 Silver
Ladivine CD994 Sale price$ 3,083 Regular price$ 6,405
Clarisse 811131 Steel BlueClarisse 811131 Steel Blue
Clarisse 811131 Sale price$ 8,894
May Queen RQ7983 BlueMay Queen RQ7983 Blue
May Queen RQ7983 Sale price$ 3,029 Regular price$ 5,084
Clarisse 810438 Forest GreenClarisse 810438 Forest Green
Clarisse 810438 Sale price$ 6,739
Alyce Paris 61601 Electric BlueAlyce Paris 61601 Electric Blue
Alyce Paris 61601 Sale price$ 7,366
May Queen MQ1922 GrayMay Queen MQ1922 Gray
May Queen MQ1922 Sale price$ 2,589 Regular price$ 3,697
Ieena Duggal 49902 RedIeena Duggal 49902 Red
Ieena Duggal 49902 Sale price$ 11,129
Elizabeth K GL3557 GoldElizabeth K GL3557 Gold
Elizabeth K GL3557 Sale price$ 5,805
Elizabeth K GL3133 Baby BlueElizabeth K GL3133 Baby Blue
Elizabeth K GL3133 Sale price$ 4,964 Regular price$ 9,914
Alyce Paris 61620 OceanAlyce Paris 61620 Ocean
Alyce Paris 61620 Sale price$ 5,965
SCALA 60391SCALA 60391
SCALA 60391 Sale price$ 10,995
Clarisse 810491 BlueClarisse 810491 Green Pink Blue
Clarisse 810491 Sale price$ 6,739
La Femme - 27033 Floral Ornate Satin Overlay Gown In BrownLa Femme - 27033 Floral Ornate Satin Overlay Gown In Brown
La Femme 27033 Sale price$ 10,768 Regular price$ 12,209
Portia and Scarlett PS26020Portia and Scarlett PS26020
Portia and Scarlett PS26020 Sale price$ 14,931

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!