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Long Formal Party Dresses & Formal Gowns

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Elizabeth K GL3624 ChampagneElizabeth K GL3624 Champagne
Elizabeth K GL3624 Sale price$389 USD
Mac Duggal 998058 Petite Dress Frenchblue - ABMac Duggal 998058 Petite Dress Frenchblue - BK
Mac Duggal 998058 Petite Dress Sale price$635 USD
Atria 7044HAtria 7044H
Atria 7044H Sale price$438 USD
La Femme 32961 Cloud BlueLa Femme 32961 Cloud Blue
La Femme 32961 Sale price$470 USD
Andrea & Leo A1495Andrea & Leo A1495
Andrea & Leo A1495 Sale price$470 USD
La Femme 31578 PurpleLa Femme 31578
La Femme 31578 Sale price$398 USD
La Femme - 28103 Off-Shoulder Ruched Fitted Bodice Satin Evening Dress In Champagne & GoldLa Femme - 28103 Off-Shoulder Ruched Fitted Bodice Satin Evening Dress In Champagne & Gold
La Femme 28103 Sale price$416 USD
Atria 6524HAtria 6524H
Atria 6524H Sale price$398 USD
GLS by Gloria GL3116 PurpleGLS by Gloria GL3116 Purple
GLS by Gloria GL3116 Sale price$343 USD Regular price$640 USD
May Queen MQ1839 BlackMay Queen MQ1839 Black
May Queen MQ1839 Sale price$150 USD
Elizabeth K Bridal GL1917Elizabeth K Bridal GL1917
Elizabeth K Bridal GL1917 Sale price$319 USD
Andrea & Leo A1484Andrea & Leo A1484
Andrea & Leo A1484 Sale price$338 USD
May Queen RQ8223May Queen RQ8223
May Queen RQ8223 Sale price$359 USD
GLS by Gloria GL3137 GreenGLS by Gloria GL3137 Green
GLS by Gloria GL3137 Sale price$343 USD Regular price$640 USD
Jessica Angel 2530 RoyalJessica Angel 2530 Royal
Jessica Angel 2530 Sale price$550 USD
May Queen RQ8205May Queen RQ8205
May Queen RQ8205 Sale price$439 USD
Ladivine CB167 mauve sleeveless beaded tulle corset gown — dusty rose-grey front view of the fitted formal silhouetteLadivine CB167 mauve — rear-facing view of the corset back construction and beaded tulle train
Ladivine CD0238 Black NudeLadivine CD0238 Black Nude
LaDivine T722 blue sleeveless sweetheart beaded jersey corset gown — head-on front view with high slitLaDivine T722 blue — rear-facing view of the crisscross back straps on the fitted beaded jersey gown
Primavera 4510Primavera 4510
Primavera 4510 Sale price$592 USD
La Femme 32914 BlackLa Femme 32914 Black
La Femme 32914 Sale price$398 USD
La Femme 32928 NavyLa Femme 32928 Navy
La Femme 32928 Sale price$470 USD
Terani Couture 261P6676Terani Couture 261P6676
Terani Couture 261P6676 Sale price$888.75 USD
Ladivine Bridal BD104W off-white sleeveless satin strap A-line wedding gown with high slit — plus-size head-on front view of the simple floor-length bridal and prom formalLadivine Bridal BD104W off-white — rear-facing plus-size view of the sleeveless satin strap A-line wedding gown showing the back construction and floor-length train
Andrea & Leo A1494Andrea & Leo A1494
Andrea & Leo A1494 Sale price$298 USD
Dancing Queen 4343Dancing Queen 4343
Dancing Queen 4343 Sale price$283 USD
Mac Duggal 79430 slate blue front view floor-length a-line lace gown with beaded illusion high neck, cap sleeves, and sweeping train for formal wedding celebrationMac Duggal 79430 slate blue back view a-line lace gown with illusion lace back panel, high back coverage, beaded embroidery, and sweeping train for mother of the bride, formal
Faviana S10832 PurpleFaviana S10832 Purple
Faviana S10832 Sale price$538 USD
Atria 6826HAtria 6826H
Atria 6826H Sale price$450 USD
Ladivine CD0177 MauveLadivine CD0177 Mauve
Ladivine CD0177 Sale price$80 USD
May Queen MQ2072 SageMay Queen MQ2072 Sage
May Queen MQ2072 Sale price$227 USD
Ladivine CD692 rose gold strapless metallic satin fitted corset gown with crisscross back, detachable overskirt and high slit — warm blush-metallic full length front view of the floor-length formal black-tie gala and wedding-reception evening dress with trainLadivine CD692 rose gold — rear-facing view of the crisscross corset back and metallic satin overskirt with train, a show-stopping look for formal evening galas and upscale wedding-guest events
Terani Couture 261P6677Terani Couture 261P6677
Terani Couture 261P6677 Sale price$888.75 USD
La Femme 31448 RedLa Femme 31448 Blue
La Femme 31448 Sale price$378 USD
Elizabeth K GL3559 SilverElizabeth K GL3559 Silver
Elizabeth K GL3559 Sale price$242 USD
May Queen LK263 PinkMay Queen LK263 Pink
May Queen LK263 Sale price$726 USD
dancingqueen_4556dancingqueen_4556
Dancing Queen 4556 Sale price$424 USD
Mac Duggal 94318 Evening Dress - Sage - ABMac Duggal 94318 Evening Dress - Sage - BK
Atria 7038HAtria 7038H
Atria 7038H Sale price$450 USD
Mac Duggal 49872 Plum Purple front view formal gown with satin, pleated cape, a-line silhouette, black-tie event dressMac Duggal 49872 Plum Purple side view floor-length gown with satin, empire waist, split pleated cape, evening gown styled for formal
LaFemme 32864 Light GoldLaFemme 32864 Light Gold
La Femme 32864 Sale price$378 USD
Ladivine B1141 SilverLadivine B1141 Silver
Ladivine B1141 Sale price$99.50 USD
La Femme 32845 BlackLa Femme 32845 Black
La Femme 32845 Sale price$378 USD
La Femme 32854 BlackLa Femme 32854 Black
La Femme 32854 Sale price$398 USD
La Femme - 27988 Quarter Sleeve Scoop Appliqued Dress In BlueLa Femme - 27988 Quarter Sleeve Scoop Appliqued Dress In Blue
La Femme 27988 Sale price$498 USD
dancingqueen_4545dancingqueen_4545
Dancing Queen 4545 Sale price$218 USD
GLS by Gloria GL3121 Dusty RoseGLS by Gloria GL3121 Dusty Rose
GLS by Gloria GL3121 Sale price$343 USD Regular price$640 USD
GLS by Gloria GL3204 Hot PinkGLS by Gloria GL3204 Hot Pink
GLS by Gloria GL3204 Sale price$228 USD

2026 Long Formal Party Dresses & Formal Prom Gowns
Check out our 2026 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!