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Long Formal Party Dresses & Formal Prom Gowns

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Ladivine 9312 ChampagneLadivine 9312 Champagne
Ladivine 9312 Sale price$ 4,004 Regular price$ 9,209
La Femme 32719 Royal BlueLa Femme 32719 Black
La Femme 32719 Sale price$ 9,276
Ladivine CDS513W Off WhiteLadivine CDS513W Off White
Ladivine CDS513W Sale price$ 6,940
Elizabeth K GL3527 BlueElizabeth K GL3527 Pink
Elizabeth K GL3527 Sale price$ 13,613
Mac Duggal - 5509 Bishop Sleeve Sequin Gown In PinkMac Duggal - 5509 Bishop Sleeve Sequin Gown In Pink
Mac Duggal A5509 Sale price$ 7,300 Regular price$ 11,571
Alyce Paris 61429 BlueAlyce Paris 61429 Blue
Alyce Paris 61429 Sale price$ 3,564
GLS by Gloria GL3226 LilacGLS by Gloria GL3226 Lilac
GLS by Gloria GL3226 Sale price$ 5,499 Regular price$ 10,984
Atria 6852H LilacAtria 6852H Lilac
Atria 6852H Sale price$ 8,982
LaFemme 32864 Light GoldLaFemme 32864 Light Gold
La Femme 32864 Sale price$ 7,047
Jessica Angel 2430 BlueJessica Angel 2430 Blue
Jessica Angel 2430 Sale price$ 8,208
La Femme - 28065 Quarter Sleeve Shirred Sequin-Ornate Dress In Silver & GrayLa Femme - 28065 Quarter Sleeve Shirred Sequin-Ornate Dress In Silver & Gray
La Femme 28065 Sale price$ 6,673 Regular price$ 9,582
La Femme 33001 Dark TealLa Femme 33001 Dark Teal
La Femme 33001 Sale price$ 8,755
Andrea and Leo A1403Andrea and Leo A1403
Andrea and Leo A1403 Sale price$ 5,525
Faviana 11003Faviana 11003
Faviana 11003 Sale price$ 8,902
Portia and Scarlett PS25181 BluePortia and Scarlett PS25181 Blue
Portia and Scarlett PS25181 Sale price$ 12,131
Ladivine CB114 BlackLadivine CB114 Black
Ladivine CB114 Sale price$ 2,670 Regular price$ 6,193
SCALA 61344 BlackSCALA 61344 Black
SCALA 61344 Sale price$ 10,236
Alyce Paris 61501 Barbie PinkAlyce Paris 61501 Barbie Pink
Alyce Paris 61501 Sale price$ 6,967
May Queen RQ7969 BlackMay Queen RQ7969 Black
May Queen RQ7969 Sale price$ 3,497 Regular price$ 11,544
Ladivine 7448W Off WhiteLadivine 7448W Off White
Ladivine 7448W Sale price$ 3,670
Mac Duggal 30725 Rose GoldMac Duggal 30725 Rose Gold
Mac Duggal 30725 Sale Sale price$ 4,138 Regular price$ 7,701
GLS by Gloria GL3161 - Asymmetrical Sequined Sheath Gown Special Occasion Dress XS / GreenGLS by Gloria GL3161 - Asymmetrical Sequined Sheath Gown Special Occasion Dress
GLS by Gloria GL3161 Sale price$ 6,820 Regular price$ 13,626
Ladivine CD0216 Black-NudeLadivine CD0216 Silver
Ladivine CD0216 Sale price$ 6,406
May Queen RQ8149 GunmetalMay Queen RQ8149 Gunmetal
May Queen RQ8149 Sale price$ 6,206
Jessica Angel 2573 Rose DownJessica Angel 2573 Rose Down
Jessica Angel 2573 Sale price$ 9,462
Mac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In Silver and GrayMac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In Silver and Gray
Mac Duggal 11165 Sale price$ 14,854
Jessica Angel 2548Jessica Angel 2548
Jessica Angel 2548 Sale price$ 10,303
Alyce Paris 61732 Pink/WhiteAlyce Paris 61732 Pink/White
Alyce Paris 61732 Sale price$ 9,062
MacDuggal 4715 full length light beige evening sequin dress with high neck and cap sleeves. This long light gold beaded dress is perfect for engagment dress, prom formal party, gala, reception dress. Light pink beaded gown is available in plus sizesMacDuggal 4715 full length light beige evening sequin dress with high neck and cap sleeves.Back of long light gold beaded dress is perfect for engagment dress, prom formal party, gala, reception dress. Light pink beaded gown is available in plus sizes
Mac Duggal 4715 Sale price$ 11,985 Regular price$ 20,739
La Femme 32383 Light PeriwinkleLa Femme 32383 Light Periwinkle
La Femme 32383 Sale price$ 6,673
La Femme - 30021 Embroidered Bateau Neckline Sheath Dress In GoldLa Femme - 30021 Embroidered Bateau Neckline Sheath Dress In Gold
La Femme 30021 Sale price$ 8,128 Regular price$ 12,332
Andrea and Leo A1429Andrea and Leo A1429
Andrea and Leo A1429 Sale price$ 6,913
GLS by Gloria GL3452 Perry BlueGLS by Gloria GL3452 Perry Blue
GLS by Gloria GL3452 Sale price$ 3,644 Regular price$ 7,274
Jovani 22911 in RedJovani 22911 Red
Jovani 22911 Sale price$ 14,080
SCALA 61338 Red RoseSCALA 61338 Red Rose
SCALA 61338 Sale price$ 8,328
Alyce Paris 61966 BlackAlyce Paris 61966 Black
Alyce Paris 61966 Sale price$ 6,206
La Femme 32375 Royal PurpleLa Femme 32375 Royal Purple
La Femme 32375 Sale price$ 6,300
SCALA 61348 Navy SilverSCALA 61348 Navy Silver
SCALA 61348 Sale price$ 8,715
May Queen MQ2142 BlackMay Queen MQ2142 Black
May Queen MQ2142 Sale price$ 3,550
Ladivine T603Ladivine T603
Ladivine T603 Sale price$ 2,750
Ieena Duggal 49701 RedIeena Duggal 49701 Red
Ieena Duggal 49701 Sale price$ 4,138 Regular price$ 7,701
Terani Couture 2112M5404 GreenTerani Couture 2112M5404 Green
Terani Couture 2112M5404 Sale price$ 7,914
Elizabeth K GL2910Elizabeth K GL2910
Elizabeth K GL2910 Sale price$ 10,543 Regular price$ 21,073
Ladivine CD350 Light BlueLadivine CD350 Royal
Ladivine CD350 Sale price$ 1,602 Regular price$ 3,470
Alyce Paris 61833 BlackAlyce Paris 61833 Black
Alyce Paris 61833 Sale price$ 9,062
Jessica Angel 2567 GreenJessica Angel 2567 Green
Jessica Angel 2567 Sale price$ 9,049
Portia and Scarlett PS25255 Hot PinkPortia and Scarlett PS25255 Hot Pink
Portia and Scarlett PS25255 Sale price$ 11,611
Dancing Queen 4330Dancing Queen 4330
Dancing Queen 4330 Sale price$ 5,045 Regular price$ 6,380

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!