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Long Formal Party Dresses & Formal Gowns

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Jessica Angel 2409 GreenJessica Angel 2409 Green
Jessica Angel 2409 Sale price$772 CAD
GLS by Gloria GL3358 LilacGLS by Gloria GL3358 Lilac
GLS by Gloria GL3358 Sale price$513 CAD Regular price$1,026 CAD
La Femme 32529 BlackLa Femme 32529 Black
La Femme 32529 Sale price$528 CAD
Faviana 11020 Dark EmeraldFaviana 11020 Dark Emerald
Faviana 11020 Sale price$612 CAD
May Queen MQ2181May Queen MQ2181
May Queen MQ2181 Sale price$240 CAD
La Femme 33034 FuchsiaLa Femme 33034 Fuchsia
La Femme 33034 Sale price$472 CAD
Atria 7036HAtria 7036H
Atria 7036H Sale price$701 CAD
Primavera 4516Primavera 4516
Primavera 4516 Sale price$864 CAD
Ladivine 7488 Smoky BlueLadivine 7488 Mahogany
Ladivine 7488 Sale price$130 CAD Regular price$316 CAD
Primavera 4544Primavera 4544
Primavera 4544 Sale price$928 CAD
Mac Duggal 23085 Evening Dress - Lightrose - ABMac Duggal 23085 Evening Dress - Lightrose - BK
Ladivine CM391 champagne sleeveless sweetheart beaded satin corset gown with detachable overskirt and crisscross back — warm ivory-gold head-on front view of the prom and engagement formal with trainLadivine CM391 champagne — rear-facing view of the crisscross back straps and detachable overskirt with satin train on the sweetheart corset gown
GLS by Gloria GL3369 NavyGLS by Gloria GL3369 Navy
GLS by Gloria GL3369 Sale price$340 CAD Regular price$679 CAD
La Femme - 27842 Scoop Neck Lace Fitted Dress In SilverLa Femme - 27842 Scoop Neck Lace Fitted Dress In Silver
La Femme 27842 Sale price$528 CAD Regular price$859 CAD
Dancing Queen 4340Dancing Queen 4340
Dancing Queen 4340 Sale price$428 CAD
Jessica Angel 2433 AdobeJessica Angel 2433 Adobe
Jessica Angel 2433 Sale price$867 CAD
Ladivine C171 pink sweetheart beaded satin fitted corset gown with straps, high back and high slit — soft rose-pink  front view of the floor-length formal wedding guest and evening event dress with trainLadivine C171 pink — rear-facing view of the high-back corset strap construction and fitted satin train with high slit, ideal for formal evening galas and black tie weddings
Primavera 4547Primavera 4547
Primavera 4547 Sale price$787 CAD
Elizabeth K GL3790Elizabeth K GL3790
Elizabeth K GL3790 Sale price$449 CAD
Ladivine CD404 champagne strapless sweetheart beaded tulle gown with high slit — warm ivory-gold front viewLadivine CD404 champagne — corset back and floor-length tulle train photographed from behind
Primavera 4591Primavera 4591
Primavera 4591 Sale price$440 CAD
GLS by Gloria GL3280 Smoky BlueGLS by Gloria GL3280 Smoky Blue
GLS by Gloria GL3280 Sale price$307 CAD Regular price$614 CAD
Ladivine CD791W Off White strapless satin mermaid bridal gown with high slit, wedding gownLadivine CD791W Off White satin mermaid gown with ruched bodice, back view engagement gown
Ladivine CD791W Sale price$266 CAD
Elizabeth K GL3689Elizabeth K GL3689
Elizabeth K GL3689 Sale price$310 CAD
Terani Couture 1911M9339Terani Couture 1911M9339
Terani Couture 1911M9339 Sale price$955.32 CAD
Mac Duggal 11881 Evening Dress - Midnight - ABMac Duggal 11881 Evening Dress - Midnight - BK
La Femme 32793 BlushLa Femme 32793 Blush
La Femme 32793 Sale price$609 CAD
Primavera 4156Primavera 4156
Primavera 4156 Sale price$756 CAD
GLS by Gloria GL3211 Light GreenGLS by Gloria GL3211 Light Green
GLS by Gloria GL3211 Sale price$484 CAD
Mac Duggal 9911810 Petite Dress Black - ABMac Duggal 9911810 Petite Dress Black - BK
LaDivine T708 royal blue — editorial full-length view of the off-shoulder satin fitted bridesmaid gownLaDivine T708 royal blue — rear-facing view showing the draped bodice with high slit of the fitted bridesmaid gown
Ladivine CD413 olive V-neck chiffon A-line bridesmaid gown — earthy muted-green front view with open backLadivine CD413 olive — rear view revealing the open back construction and flowing A-line chiffon skirt
GLS by Gloria GL3285 MagentaGLS by Gloria GL3285 Magenta
GLS by Gloria GL3285 Sale price$306 CAD Regular price$612 CAD
Andrea & Leo A1490Andrea & Leo A1490
Andrea & Leo A1490 Sale price$565 CAD
May Queen RQ7964 BlackMay Queen RQ7964 Black
May Queen RQ7964 Sale price$266 CAD Regular price$371 CAD
La Femme - 29262 Ruched V-Neck Fitted Party Dress In RedLa Femme - 29262 Ruched V-Neck Fitted Party Dress In Red
La Femme 29262 Sale price$130 CAD
dancingqueen_4546Adancingqueen_4546A
Dancing Queen 4546A Sale price$385 CAD
Elizabeth K GL3538 Rose GoldElizabeth K GL3538 Gold
Elizabeth K GL3538 Sale price$275 CAD
Mac Duggal 49638 Midnight Blue front view formal gown with pleated satin, attached tiered cape overlay, scoop neckline, a-line silhouette, black-tie event dressMac Duggal 49638 Midnight Blue back view formal gown with fully covered high back, small keyhole button closure, pleated satin a-line, gala gown
May Queen RQ8177 RosegoldMay Queen RQ8177 Rosegold
May Queen RQ8177 Sale price$687 CAD
Ladivine CH351 Dusty Rose strapless sweetheart satin gown with side sash and slit, front viewLadivine CH351 Dusty Rose satin gown, back view of fitted silhouette and sweeping train
Atria 7018HAtria 7018H
Atria 7018H Sale price$673 CAD
Ladivine CD243 ChampagneLadivine CD243 Petal Blush
Ladivine CD243 Sale price$130 CAD Regular price$277 CAD
Clarisse 62265Clarisse 62265
Clarisse 62265 Sale price$834 CAD
Clarisse 62258Clarisse 62258
Clarisse 62258 Sale price$724 CAD
Mac Duggal 9926694 Petite Dress Olive - ABMac Duggal 9926694 Petite Dress Purple - BK
Mac Duggal 5636 sage green front view fully-beaded long-sleeve a-line gown with cascading sequin on mesh, scoop neck, formal black-tie event dressMac Duggal 5636 sage green back view fully-beaded long-sleeve a-line gown with high back beaded mesh coverage, formal gala gown
Terani Couture 252M5338Terani Couture 252M5338
Terani Couture 252M5338 Sale price$931.67 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!