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Long Formal Party Dresses & Formal Gowns

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5526 Item

Ladivine CD736 GreeneryLadivine CD736 Greenery
Jessica Angel 972 Neon PinkJessica Angel 972 Neon Pink
Jessica Angel 972 Sale price$ 9,762
Clarisse 810821 Light BlueClarisse 810821 Light Blue
Clarisse 810821 Sale price$ 6,753
Ellie Wilde EW37061 Red strapless sweetheart fitted hot-stone prom gown with illusion mesh boned bodice, high slit, sweep train, front view, formal prom gownEllie Wilde EW37061 Red crisscross lace-up open back fitted hot-stone prom gown with sweep train, back view, evening gown
Elizabeth K GL3597 ChampagneElizabeth K GL3597 Champagne
Elizabeth K GL3597 Sale price$ 3,313
dancingqueen_4541dancingqueen_4541
Dancing Queen 4541 Sale price$ 6,702
Mac Duggal 11940Mac Duggal 11940
Mac Duggal 11940 Sale price$ 10,597 Regular price$ 15,098
Ladivine CDS507 Navy off-shoulder satin mermaid gown with lace bodice, mother of the bride gownLadivine CDS507 Navy satin mermaid gown with off-shoulder neckline, back view wedding guest gown
Ladivine CDS507 Sale price$ 2,694 Regular price$ 4,578
Ladivine KV1136C champagne strapless sweetheart beaded satin corset gown — warm ivory-gold front view with high slitLadivine KV1136C champagne — rear-facing view of the crisscross back straps and fitted satin train
Andrea & Leo A1496Andrea & Leo A1496
Andrea & Leo A1496 Sale price$ 7,524
Portia and Scarlett PS25277 FuchsiaPortia and Scarlett PS25277 Black
Portia and Scarlett PS25277 Sale price$ 11,494
La Femme 30693 In PinkLa Femme 30693 In Pink
La Femme 30693 Sale price$ 8,789
Jessica Angel 2401 BubblegumJessica Angel 2401 Bubblegum
Jessica Angel 2401 Sale price$ 9,762
La Femme - 28105 Floral V Neck A-Line Long Dress In Silver and GrayLa Femme - 28105 Floral V Neck A-Line Long Dress In Silver and Gray
La Femme 28105 Sale price$ 8,789 Regular price$ 10,141
Elizabeth K GL3136 BlackElizabeth K GL3136 Black
Elizabeth K GL3136 Sale price$ 4,300 Regular price$ 8,586
Faviana 11466 Light Pink prom dress with satin fabric, lace floral appliqués at the side seam, fitted v-neck silhouette, formal prom gownFaviana 11466 Light Pink prom dress back view with illusion corset boning, open mesh back panel, fitted silhouette, evening gown
May Queen MQ2136 SageMay Queen MQ2136 Sage
May Queen MQ2136 Sale price$ 3,857
La Femme 29751 In BlackLa Femme 29751 In Black
La Femme 29751 Sale price$ 8,434 Regular price$ 9,876
Ladivine CD412 black halter-neck sleeveless A-line chiffon gown — crisp dark front view with high slit and crisscross backLadivine CD412 black — rear view of the halter-neck back and crisscross tie with A-line chiffon skirt
Elizabeth K GL3522 GreenElizabeth K GL3522 Red
Elizabeth K GL3522 Sale price$ 19,094
Clarisse 810895 SeafoamClarisse 810895 Seafoam
Clarisse 810895 Sale price$ 9,218
Ellie Wilde EW36002 Slate front view strapless beaded illusion corset fitted prom gown with satin skirt, ruching, high slit, formal prom gownEllie Wilde EW36002 Slate side view strapless beaded illusion corset fitted prom gown with lace-up back, sweep train, evening gown
Ladivine CD796W Off White halter-neck satin mermaid bridal gown with high slit, wedding gownLadivine CD796W Off White satin halter gown with ruched bodice and open back, back view engagement gown
Ladivine CD796W Sale price$ 3,364
La Femme 32528 Dusty BlueLa Femme 32528 Dusty Blue
La Femme 32528 Sale price$ 10,559
GLS by Gloria GL3128 Baby BlueGLS by Gloria GL3128 Baby Blue
GLS by Gloria GL3128 Sale price$ 5,147 Regular price$ 10,281
Portia and Scarlett PS25226 PinkPortia and Scarlett PS25226 Pink
Portia and Scarlett PS25226 Sale price$ 11,494
Ladivine CL10 dusty mauve short-sleeve V-neck A-line lace chiffon gown — muted rose-grey plus-size front view of the floor-length mother-of-the-bride and wedding-guest formalLadivine CL10 dusty mauve — rear-facing view of the A-line lace chiffon gown showing the V-neck back and flowing dusty-mauve train
Mac Duggal 20283 In BlueMac Duggal 20283 In Blue
Mac Duggal 20283 Sale price$ 8,498 Regular price$ 10,533
Ieena Duggal 49087 In BlackIeena Duggal 49087 In Black
Ieena Duggal 49087 Sale price$ 6,196
Ladivine J890 platinum strapless sweetheart glitter corset gown with crisscross back and high slit — ice-silver front view of the fitted prom, pageant and engagement formal with trainLadivine J890 platinum — rear-facing view of the crisscross back construction and glitter train on the strapless sweetheart corset gown
Portia and Scarlett PS25601EPortia and Scarlett PS25601E
Portia and Scarlett PS25601E Sale price$ 12,127
Faviana 11437 Cotton Candy Pink front view prom dress with tulle skirt, 3D floral lace appliqués, illusion corset bodice, A-line silhouette, formal prom gownFaviana 11437 Cotton Candy Pink back view prom dress with lace-up corset-back closure, open back, floral appliqués on tulle skirt, evening gown
Terani Couture 261E6238Terani Couture 261E6238
Terani Couture 261E6238 Sale price$ 12,401
Clarisse 811185 Light BlueClarisse 811185 Light Blue
Clarisse 811185 Sale price$ 9,610
May Queen MQ2134 BlackMay Queen MQ2134 Black
May Queen MQ2134 Sale price$ 4,831
Ladivine J908 silver nude one-shoulder beaded fringe fitted corset gown with crisscross back and high slit — shimmering two-tone head-on front view of the prom and engagement formal with trainLadivine J908 silver nude — rear-facing view of the crisscross back construction and fringe train on the one-shoulder fitted corset gown
Ladivine 7433 Burgundy Red draped jersey gown with ruched bodice, prom gownLadivine 7433 Yellow fitted jersey gown with draped sash, bridesmaid gown
Ladivine 7433 Sale price$ 2,643
Elizabeth K GL3621 ChampagneElizabeth K GL3621 Champagne
Elizabeth K GL3621 Sale price$ 6,120
Elizabeth K GL3549 Baby PinkElizabeth K GL3549 Baby Pink
Elizabeth K GL3549 Sale price$ 19,650
Ladivine CDS556 gold sleeveless sweetheart satin fitted gown with beaded corset and high slit — model photographed front-onLadivine CDS556 gold — rear view revealing the corset back detailing and satin skirt with high slit opening
Elizabeth K GL2512Elizabeth K GL2512
Elizabeth K GL2512 Sale price$ 12,734
Dancing Queen 1672Dancing Queen 1672
Dancing Queen 1672 Sale price$ 10,748
Faviana S10817 Hunter Green prom dress front view with sequin fabric, v-neckline mesh insert, mermaid silhouette, cocktail party dressFaviana S10817 Hunter Green prom dress back view with full open back, dual shoulder straps, sequin mermaid silhouette, formal prom gown
Ladivine CC2292 RedLadivine CC2292 Red
Ladivine CC2292 Sale price$ 2,947 Regular price$ 5,893
Ladivine J835 EmeraldLadivine J835
Ladivine J835 Sale price$ 1,695 Regular price$ 3,617
Ellie Wilde EW37050 Dark Gold and Black strapless sweetheart prom gown with beaded illusion corset bodice, hot-stone jersey skirt, high slit, fitted silhouette, formal prom gownEllie Wilde EW37050 Black front and Dark Gold crisscross open-back prom gown with boned illusion corset, sweep train, fitted silhouette, evening gown
Ladivine Bridal WL088 off-white strapless sweetheart mermaid lace gown with crisscross back — front-facing full viewBack view of Ladivine WL088 off-white mermaid lace bridal gown — crisscross back straps and flared tulle train
Mac Duggal 5625Mac Duggal 5625
Mac Duggal 5625 Sale price$ 10,533

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!