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Long Formal Party Dresses & Formal Gowns

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Ieena Duggal 30776 BlackIeena Duggal 30776 Black
Ieena Duggal 30776 Sale price$685 CAD
Andrea and Leo A1342 RoseAndrea and Leo A1342 Rose
Andrea and Leo A1342 Sale price$350 CAD Regular price$649 CAD
Elizabeth K GL3610Elizabeth K GL3610
Elizabeth K GL3610 Sale price$1,688 CAD
Faviana 11054 RoyalFaviana 11054 Royal
Faviana 11054 Sale price$695 CAD
Jessica Angel 2467 Neon YellowJessica Angel 2467 Neon Yellow
Jessica Angel 2467 Sale price$867 CAD
Elizabeth K GL3547 PinkElizabeth K GL3547 Pink
Elizabeth K GL3547 Sale price$1,554 CAD
La Femme 33508La Femme 33508
La Femme 33508 Sale price$656 CAD
La Femme 33028 Light BlueLa Femme 33028 Light Blue
La Femme 33028 Sale price$656 CAD
Clarisse 62108Clarisse 62108
Clarisse 62108 Sale price$724 CAD
Mac Duggal 49967 Hot Pink strapless fit-and-flare evening gown with jersey fabric, sculptural back bow, and train, front view, formal prom gownMac Duggal 49967 Hot Pink back view showing oversized sculptural bow at waist, jersey fabric, open upper back, cascading train tails, evening gown
Ladivine CD785 gold strapless beaded corset mermaid gown with foldover detail — main front view evening lookLadivine CD785 gold beaded mermaid gown — back view showcasing the corset lace-up and sweeping train
May Queen RQ8186 RustMay Queen RQ8186 Rust
May Queen RQ8186 Sale price$772 CAD
Elizabeth K GL3149 BlackElizabeth K GL3149 Black
Elizabeth K GL3149 Sale price$374 CAD Regular price$748 CAD
Ieena Duggal 26578 BlueIeena Duggal 26578 Blue
Ieena Duggal 26578 Sale price$685 CAD
Ladivine 7442 Blue floral print A-line gown with V-neckline, bridesmaid gownLadivine 7442 Rose floral print gown with tie straps and high slit, back view evening gown
Ladivine 7442 Sale price$183 CAD
Ladivine CB131 ChampagneLadivine CB131 Champagne
Ladivine CB131 Sale price$244 CAD Regular price$596 CAD
Elizabeth K GL3669Elizabeth K GL3669
Elizabeth K GL3669 Sale price$963 CAD
Primavera 4502Primavera 4502
Primavera 4502 Sale price$829 CAD
dancingqueen_4539dancingqueen_4539
Dancing Queen 4539 Sale price$346 CAD
Mac Duggal 9956086 Petite Dress Gold - BK
Ladivine Bridal WL066 off-white sleeveless sweetheart mermaid gown with tulle train — model posing at front, showing fitted silhouetteBack of Ladivine WL066 off-white mermaid wedding gown revealing the crisscross corset lace-up back and sweeping train from behind
La Femme 32952 Dark BerryLa Femme 32952 Dark Berry
La Femme 32952 Sale price$444 CAD
Mac Duggal 9926676 Petite Dress Black - BKMac Duggal 9926676 Petite Dress Black - CL
Ladivine CD718 gold sleeveless sweetheart beaded satin gown — warm-toned front view of the sleek fitted formalLadivine CD718 gold — rear view of the fitted satin gown with the beaded back and train sweep
May Queen MQ2103 SilverMay Queen MQ2103 Silver
May Queen MQ2103 Sale price$195 CAD Regular price$348 CAD
Faviana S10851 BlackFaviana S10851 Black
Faviana S10851 Sale price$695 CAD
GLS by Gloria GL3165 LilacGLS by Gloria GL3165 Lilac
GLS by Gloria GL3165 Sale price$407 CAD Regular price$813 CAD
Ieena Duggal 26598 NudeIeena Duggal 26598 Nude
Ieena Duggal 26598 Sale Sale price$349 CAD Regular price$577 CAD
dancingqueen_4527dancingqueen_4527
Dancing Queen 4527 Sale price$720 CAD
Primavera 4517Primavera 4517
Primavera 4517 Sale price$787 CAD
Ladivine Bridal C159W off-white off-shoulder sweetheart lace appliqué chiffon tulle A-line wedding gown with high slit and train — secondary editorial angle of the plus-size sweet-16, debut and engagement bridal formalLadivine Bridal C159W off-white — rear-facing plus-size view of the off-shoulder lace appliqué chiffon A-line wedding gown showing the back and tulle train with high slit
Elizabeth K GL3621 ChampagneElizabeth K GL3621 Champagne
Elizabeth K GL3621 Sale price$484 CAD
Ladivine CZ2409 gold strapless sweetheart sequin gown with crisscross back and train — glittering metallic front view of the fitted prom and pageant formalLadivine CZ2409 gold — rear-facing view of the crisscross back straps and gold sequin train sweeping behind
Ladivine CB160 Silver Nude off-shoulder sequin spiral illusion gown with train, front viewLadivine CB160 Silver Nude sequin gown, back view showing illusion bodice and sweeping train
Ladivine CB160 Off-Shoulder Sequin Spiral Illusion Gown with Train Sale price$632 CAD Regular price$1,437 CAD
May Queen RQ8154 ChampagneMay Queen RQ8154 Champagne
May Queen RQ8154 Sale price$687 CAD
May Queen RQ8153 Dusty RoseMay Queen RQ8153 Champagne Nude
May Queen RQ8153 Sale price$429 CAD
Mac Duggal 93653 Vintage Lilac formal gown with beaded mesh, 3D floral appliqués, fitted silhouette, and capelet overlay, front view, mother of the bride stylingMac Duggal 93653 Vintage Lilac high-back formal gown with beaded mesh and floral appliqués, fully covered back to neckline, back view, formal wedding celebration dress
GLS by Gloria GL3309 Royal BlueGLS by Gloria GL3309 Royal Blue
GLS by Gloria GL3309 Sale price$409 CAD Regular price$818 CAD
La Femme 32810 Light BlueLa Femme 32810 Light Blue
La Femme 32810 Sale price$656 CAD
La Femme 32887 BronzeLa Femme 32887 Bronze
La Femme 32887 Sale price$528 CAD
GLS by Gloria GL3391 FuchsiaGLS by Gloria GL3391 Fuchsia
GLS by Gloria GL3391 Sale price$513 CAD Regular price$1,026 CAD
Primavera 4549Primavera 4549
Primavera 4549 Sale price$864 CAD
La Femme - 28056 V Neck Jersey Fitted Dress In BrownLa Femme - 28056 V Neck Jersey Fitted Dress In Blue
La Femme 28056 Sale price$556 CAD Regular price$661 CAD
Elizabeth K GL3553 Off White PinkElizabeth K GL3553 Off White Pink
Elizabeth K GL3553 Sale price$1,866 CAD
GLS by Gloria GL3202 Light GreenGLS by Gloria GL3202 Light Green
GLS by Gloria GL3202 Sale price$414 CAD
Elizabeth K GL3517 Baby BlushElizabeth K GL3517 Baby Blush
Elizabeth K GL3517 Sale price$1,777 CAD
May Queen RQ8233May Queen RQ8233
May Queen RQ8233 Sale price$391 CAD
Jessica Angel 2397 Baby BlueJessica Angel 2397 Baby Blue
Jessica Angel 2397 Sale price$662 CAD

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!