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Long Formal Party Dresses & Formal Gowns

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GLS by Gloria GL3206 LilacGLS by Gloria GL3206 Lilac
GLS by Gloria GL3206 Sale price$ 4,737 Regular price$ 9,460
Elizabeth K GL3782Elizabeth K GL3782
Elizabeth K GL3782 Sale price$ 6,948
Ladivine Bridal WL071 off-white nude sweetheart fitted lace gown with crisscross back and long sleeves — front viewBack view of Ladivine WL071 off-white nude lace fitted bridal gown — crisscross back and full length sleeves from behind
LaDivine T904 royal blue sleeveless sweetheart fitted jersey gown — model facing forward in a full length front viewLaDivine T904 red beaded sleeveless evening gown — secondary angle showcasing the beading detail along the fitted silhouette
Atria 7047HAtria 7047H
Atria 7047H Sale price$ 8,631
GLS by Gloria GL3273 SilverGLS by Gloria GL3273 Silver
GLS by Gloria GL3273 Sale price$ 6,445 Regular price$ 12,890
Mac Duggal 9382 sage green front formal gown with beaded floral appliques on mesh, A-line cape halter silhouette, black-tie event dressMac Duggal 9382 sage green back formal gown with open halter back, floor-length cape overlay, all-over beaded floral embroidery, gala gown
dancingqueen_4507dancingqueen_4507
Dancing Queen 4507 Sale price$ 7,639
Terani Couture 261P6161
Terani Couture 261P6161 Sale price$ 8,625
Jessica Angel 2413 FuchsiaJessica Angel 2413 Fuchsia
Jessica Angel 2413 Sale price$ 10,892
Dancing Queen 4330Dancing Queen 4330
Dancing Queen 4330 Sale price$ 4,749 Regular price$ 6,005
Andrea and Leo A1035 MultiAndrea and Leo A1035 Multi
Andrea and Leo A1035 Sale price$ 6,521
Andrea and Leo A1028WAndrea and Leo A1028W
Andrea and Leo A1028W Sale price$ 8,317
Clarisse 810581 BlackClarisse 810581 Black
Clarisse 810581 Sale price$ 10,691
Terani Couture 252M5310Terani Couture 252M5310
Terani Couture 252M5310 Sale price$ 14,169
Faviana S10818 in BlueFaviana S10818 in Blue
Faviana S10818 Sale price$ 6,985
La Femme 32955 NavyLa Femme 32955 Navy
La Femme 32955 Sale price$ 8,242
Ladivine 9312 ChampagneLadivine 9312 Champagne
Ladivine 9312 Sale price$ 3,443 Regular price$ 8,669
Elizabeth K GL3550 SageElizabeth K GL3550 Sage
Elizabeth K GL3550 Sale price$ 17,287
Clarisse 62195Clarisse 62195
Clarisse 62195 Sale price$ 9,485
Clarisse 62300Clarisse 62300
Clarisse 62300 Sale price$ 8,945
Ladivine CDS556C greenery sleeveless sweetheart beaded satin corset gown with crisscross back and high slit — fresh botanical-green plus-size front view of the fitted prom formalLadivine CDS556C greenery — rear-facing view of the crisscross back straps and beaded satin train on the plus-size sweetheart gown
Terani Couture 252E5124Terani Couture 252E5124
Terani Couture 252E5124 Sale price$ 16,633
Primavera 4506Primavera 4506
Primavera 4506 Sale price$ 10,817
LaDivine T743 blue satin corset gown — front detail of the plunging halter neckline and boned bodiceAmoris by Ladivine T743 Satin Mermaid Gown – Plunging Halter Lace-Up Back
May Queen RQ7980 MauveMay Queen RQ7980 Mauve
May Queen RQ7980 Sale price$ 2,438 Regular price$ 4,121
Mac Duggal 9911642 Petite Dress Ocean - BKMac Duggal 9911642 Petite Dress Ocean - CL
Atria 6808HAtria 6808H
Atria 6808H Sale price$ 8,543
Ladivine CB114 BlackLadivine CB114 Black
Ladivine CB114 Sale price$ 2,475 Regular price$ 6,194
May Queen MQ2141 Dusty BlueMay Queen MQ2141 Dusty Blue
May Queen MQ2141 Sale price$ 4,712
Primavera 13172Primavera 13172
Primavera 13172 Sale price$ 12,023
GLS by Gloria GL3355 Rose GoldGLS by Gloria GL3355 Rose Gold
GLS by Gloria GL3355 Sale price$ 4,699 Regular price$ 9,397
La Femme 32648 BlackLa Femme 32648 Black
La Femme 32648 Sale price$ 9,963
Mac Duggal 11405 white multicolor floral front view formal gown with printed mesh tiered a-line skirt high neck long sleeves wedding guest dressMac Duggal 11405 white multicolor floral back view formal gown with printed mesh fully covered high back long sleeves evening gown
Elizabeth K GL3781Elizabeth K GL3781
Elizabeth K GL3781 Sale price$ 6,508
Andrea and Leo A1377Andrea and Leo A1377
Andrea and Leo A1377 Sale price$ 6,709
Portia and Scarlett PS25990CPortia and Scarlett PS25990C
Portia and Scarlett PS25990C Sale price$ 17,400
Mac Duggal 69088 Evening Dress - Platinum - ABMac Duggal 69088 Evening Dress - Platinum - BK
May Queen MQ2190May Queen MQ2190
May Queen MQ2190 Sale price$ 3,769
Atria 6760HAtria 6760H
Atria 6760H Sale price$ 8,543
Elizabeth K GL2600Elizabeth K GL2600
Elizabeth K GL2600 Sale price$ 10,880 Regular price$ 21,759
Dancing Queen 4328Dancing Queen 4328
Dancing Queen 4328 Sale price$ 4,498
May Queen MQ2188May Queen MQ2188
May Queen MQ2188 Sale price$ 2,626
Atria 6850HAtria 6850H
Atria 6850H Sale price$ 8,593
Mac Duggal 20580 Sage Green Multicolor front view mother-of-the-bride gown with floral beaded embroidery, high neck, long sheer sleeves, A-line tulle silhouette, formal wedding celebration dressMac Duggal 20580 Sage Green Multicolor back view mother-of-the-bride gown with fully covered high back, sheer mesh overlay, floral embroidery continuing across the back, modest A-line tulle gown
La Femme - 30404 Off-Shoulder Embroidered Trumpet Dress In BlackLa Femme - 30404 Off-Shoulder Embroidered Trumpet Dress In Black
La Femme 30404 Sale price$ 10,490 Regular price$ 11,960
Elizabeth K GL2910Elizabeth K GL2910
Elizabeth K GL2910 Sale price$ 9,925 Regular price$ 19,837
GLS by Gloria GL3322 Hot PinkGLS by Gloria GL3322 Hot Pink
GLS by Gloria GL3322 Sale price$ 3,392 Regular price$ 6,784

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!