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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3358 LilacGLS by Gloria GL3358 Lilac
GLS by Gloria GL3358 Sale price$ 6,838 Regular price$ 13,676
La Femme 32675 Light PeriwinkleLa Femme 32675 Light Periwinkle
La Femme 32675 Sale price$ 9,264
GLS by Gloria GL3033 In RedGLS by Gloria GL3033 In Red
GLS by Gloria GL3033 Sale price$ 6,745 Regular price$ 13,476
Elizabeth K GL3611 Light BlueElizabeth K GL3611 Light Blue
Elizabeth K GL3611 Sale price$ 20,713
La Femme 32767 Cloud BlueLa Femme 32767 Lavender
La Femme 32767 Sale price$ 8,744
Alyce Paris 61514 Neon PinkAlyce Paris 61514 Neon Pink
Alyce Paris 61514 Sale price$ 11,556
Jovani 22792 BlueJovani 22792 Blue
Jovani 22792 Sale price$ 18,087
Portia and Scarlett PS26236Portia and Scarlett PS26236
Portia and Scarlett PS26236 Sale price$ 22,779
La Femme 32754 Royal BlueLa Femme 32754 Royal Blue
La Femme 32754 Sale price$ 8,744
Clarisse 810809 SageClarisse 810809 Sage
Clarisse 810809 Sale price$ 11,796
Mac Duggal 20189 TaupeMac Duggal 20189 Taupe
Mac Duggal 20189 Sale price$ 8,091 Regular price$ 15,422
GLS by Gloria GL3393 LilacGLS by Gloria GL3393 Lilac
GLS by Gloria GL3393 Sale price$ 4,532 Regular price$ 9,051
Mac Duggal - 67498 Floral Long Sleeve A-Line Gown In BlueMac Duggal - 67498 Floral Long Sleeve A-Line Gown In Silver
Mac Duggal A67498 Sale price$ 10,397 Regular price$ 14,848
May Queen LK264 RosegoldMay Queen LK264 Rosegold
May Queen LK264 Sale price$ 10,530
Elizabeth K GL3577 Ice BlueElizabeth K GL3577 Ice Blue
Elizabeth K GL3577 Sale price$ 20,007
Andrea and Leo A1314 SilverAndrea and Leo A1314 Silver
Andrea and Leo A1314 Sale price$ 16,914
La Femme 32646 Royal BlueLa Femme 32646 Royal Blue
La Femme 32646 Sale price$ 8,744
GLS by Gloria GL3012 In PinkGLS by Gloria GL3012 In White
GLS by Gloria GL3012 Sale price$ 6,372 Regular price$ 12,743
Andrea and Leo A1133 MultiAndrea and Leo A1133 Multi
Andrea and Leo A1133 Sale price$ 8,397
Andrea and Leo A1259 SageAndrea and Leo A1259 Sage
Andrea and Leo A1259 Sale price$ 4,625
GLS by Gloria GL3249 Light PinkGLS by Gloria GL3249 Light Pink
GLS by Gloria GL3249 Sale price$ 5,918 Regular price$ 11,823
Alyce Paris 61513 Neon MagentaAlyce Paris 61513 Neon Magenta
Alyce Paris 61513 Sale price$ 7,958
GLS by Gloria GL3463 Hot PinkGLS by Gloria GL3463 Hot Pink
GLS by Gloria GL3463 Sale price$ 5,852 Regular price$ 11,690
Elizabeth K GL1914 ChampangeElizabeth K GL1914 Champange
Elizabeth K GL1914 Sale price$ 15,968
Mac Duggal 20365 BlackMac Duggal 20365 Black
Mac Duggal 20365 Sale price$ 14,835
Andrea and Leo A1278 Lapis Bluevideowise-widget-6675879ca76a3d00290aacea-10133594800321
Andrea and Leo A1278 Sale price$ 9,984
GLS by Gloria GL3254 Dark SageGLS by Gloria GL3254 Dark Sage
GLS by Gloria GL3254 Sale price$ 4,999 Regular price$ 9,984
GLS by Gloria GL3377 SageGLS by Gloria GL3377 Sage
GLS by Gloria GL3377 Sale price$ 5,025 Regular price$ 10,037
Portia and Scarlett PS26208Portia and Scarlett PS26208
Portia and Scarlett PS26208 Sale price$ 15,715
Ladivine CM323 Navy GoldLadivine CM323 Navy Gold
Ladivine CM323 Sale price$ 2,240 Regular price$ 5,159
Ieena Duggal 30776 BlackIeena Duggal 30776 Black
Ieena Duggal 30776 Sale price$ 9,264
Andrea and Leo A1248 SageAndrea and Leo A1248 Sage
Andrea and Leo A1248 Sale price$ 6,438
La Femme 30639 BlackLa Femme 30639 Black
La Femme 30639 Sale price$ 8,371
Dancing Queen 4320Dancing Queen 4320
Dancing Queen 4320 Sale price$ 5,079
Ladivine CD994 BlueLadivine CD994 Silver
Ladivine CD994 Sale price$ 3,079 Regular price$ 6,398
May Queen RQ7983 BlueMay Queen RQ7983 Blue
May Queen RQ7983 Sale price$ 3,026 Regular price$ 5,079
Portia and Scarlett PS26102Portia and Scarlett PS26102
Portia and Scarlett PS26102 Sale price$ 13,716
La Femme 32721 PeriwinkleLa Femme 32721 Periwinkle
La Femme 32721 Sale price$ 9,264
La Femme 31592 GreenLa Femme 31592 Blue
La Femme 31592 Sale price$ 7,038
Ladivine CDS512W Off WhiteLadivine CDS512W - OFF WHITE
Ladivine CDS512W Sale price$ 5,905
Elizabeth K GL3555Elizabeth K GL3555
Elizabeth K GL3555 Sale price$ 17,754
GLS by Gloria GL3015 In WhiteGLS by Gloria GL3015 In White
GLS by Gloria GL3015 Sale price$ 7,265 Regular price$ 14,529
GLS by Gloria GL1834 LavenderGLS by Gloria GL1834 Lavender
GLS by Gloria GL1834 Sale price$ 7,531 Regular price$ 15,062
Ieena Duggal 68090 In BlackIeena Duggal 68090 In Black
Ieena Duggal 68090 Sale price$ 6,078 Regular price$ 12,889
May Queen MQ1885 In PurpleMay Queen MQ1885 In Purple
May Queen MQ1885 Sale price$ 4,052
Elizabeth K GL3519 SilverElizabeth K GL3519 Silver
Elizabeth K GL3519 Sale price$ 15,035
La Femme 32875 BlushLa Femme 32875 Light Periwinkle
La Femme 32875 Sale price$ 9,264
La Femme 32838 IndigoLa Femme 32838 Indigo
La Femme 32838 Sale price$ 8,744

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!