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Long Formal Party Dresses & Formal Gowns

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La Femme - 28798 Sweetheart Rhinestone Lace Mermaid Dress In Champagne & GoldLa Femme - 28798 Sweetheart Rhinestone Lace Mermaid Dress In Blue
La Femme 28798 Sale price$556 CAD Regular price$667 CAD
La Femme 32291 PurpleLa Femme 32291 Purple
La Femme 32291 Sale price$835 CAD
Ladivine CD863 Rose ChampagneLadivine CD863 Rose Champagne
Ladivine CD863 Sale price$463 CAD Regular price$772 CAD
La Femme 32210 RedLa Femme 32210 Red
La Femme 32210 Sale price$835 CAD
Elizabeth K GL3023 In NeutralElizabeth K GL3023 In Neutral
Elizabeth K GL3023 Sale price$340 CAD Regular price$679 CAD
Ladivine CB080 EmeraldLadivine CB080 In Pink
Ladivine CB080 Sale price$407 CAD
Ladivine CB121 Green GrayLadivine CB121 Green Gray
Ladivine CB121 Sale price$134 CAD Regular price$236 CAD
La Femme 32347 SageLa Femme 32347 Sage
La Femme 32347 Sale price$891 CAD
La Femme 32115 EmeraldLa Femme 32115 Navy
La Femme 32115 Sale price$416 CAD
Ladivine CD988 RoyalLadivine CD988 Royal
Ladivine CD988 Sale price$130 CAD Regular price$326 CAD
Ladivine CH139Ladivine CH139 Green
Ladivine CH139 Sale price$130 CAD Regular price$237 CAD
La Femme 31446 PinkLa Femme 31446 Pink
La Femme 31446 Sale price$388 CAD
La Femme 32161 IndigoLa Femme 32161 Indigo
La Femme 32161 Sale price$472 CAD
La Femme - 28963 Off Shoulder Bodice Jersey Dress In BlackLa Femme - 28963 Off Shoulder Bodice Jersey Dress In Red
La Femme 28963 Sale price$500 CAD
La Femme 32074 Light BlueLa Femme 32074 Light Blue
La Femme 32074 Sale price$835 CAD
La Femme 31027 BlackLa Femme 31027 Black
La Femme 31027 Sale price$416 CAD
La Femme 32243 NavyLa Femme 32243 Navy
La Femme 32243 Sale price$779 CAD
LaDivine T737 black plunging halter chiffon fit-and-flare mini dress, cocktail dress — clean front view of the fitted silhouetteLaDivine T737 black — rear-facing view of the back detailing
Elizabeth K GL3609 Light PinkElizabeth K GL3609 Light Pink
Elizabeth K GL3609 Sale price$1,332 CAD
Elizabeth K GL3578 Ivory/GoldElizabeth K GL3578 Ivory/Gold
Elizabeth K GL3578 Sale price$1,910 CAD
May Queen MQ2194May Queen MQ2194
May Queen MQ2194 Sale price$240 CAD
Mac Duggal 27814 Evening Dress - Blackmulti - ABMac Duggal 27814 Evening Dress - Blackmulti - BK
Ladivine CD252C Champagne GoldLadivine CD252C Red
Ladivine CD252C Sale price$327 CAD
dancingqueen_4522dancingqueen_4522
Dancing Queen 4522 Sale price$530 CAD
Mac Duggal 9927743 Petite Dress Black - CL
Mac Duggal 56131 midnight-blue front view prom gown with stretch jersey, 3D floral off-shoulder clusters, fitted silhouette, formal prom gownMac Duggal 56131 midnight-blue back view prom gown with open back, stretch jersey, boned sweetheart bodice, evening gown styling
Mac Duggal 20389 champagne beige front view one-shoulder feather-trim gown with fully beaded tulle, A-line silhouette, prom formal prom gownMac Duggal 20389 champagne beige back view open-back one-shoulder beaded gown with train, tulle and sequin, A-line silhouette, evening gown styled for prom
La Femme 32891 BlackLa Femme 32891 Black
La Femme 32891 Sale price$656 CAD
Terani Couture 252E5147Terani Couture 252E5147
Terani Couture 252E5147 Sale price$1,225.88 CAD
Mac Duggal 69012 mocha-rose front view fully pearl-beaded mesh high-neck long-sleeve a-line gown, prom formal evening gown, elegant floor-length silhouette photographed in boutique studio lightingMac Duggal 69012 mocha-rose back view fully pearl-beaded mesh high-back illusion covered gown, prom black-tie event dress, elegant floor-length silhouette photographed in boutique studio lighting
Ladivine KV1118 Navy strapless ruched satin fitted gown with high slit, front view prom gownLadivine KV1118 Navy satin fitted gown with sweep train, back view evening gown
Ladivine KV1118 Sale price$224 CAD
Atria 6855HAtria 6855H
Atria 6855H Sale price$673 CAD
Elizabeth K GL3692Elizabeth K GL3692
Elizabeth K GL3692 Sale price$383 CAD
Clarisse 811212 CoralClarisse 811212 Coral
Clarisse 811212 Sale price$607 CAD
Ladivine CM383 PeacockLadivine CM383 Peacock
Andrea and Leo A1235 Dusty BlueAndrea and Leo A1235 Dusty Blue
Andrea and Leo A1235 Sale price$1,014 CAD
Ladivine CD405 light blue strapless sweetheart beaded satin gown — clean pastel-blue front view with corset and high slitLadivine CD405 light blue — crisscross back lacing and satin train seen from a rear-facing angle
Dancing Queen 4225Dancing Queen 4225
Dancing Queen 4225 Sale price$450 CAD
Ladivine 15705 Burgundy Gold off-shoulder ballgown with gold floral applique, quinceanera gownLadivine 15705 Burgundy Gold quinceanera ballgown with full tulle skirt, sweet 16 gown
Ladivine 15705 Sale price$833 CAD
Mac Duggal 9920716 Petite Dress Bronze - ABMac Duggal 9920716 Petite Dress Bronze - BK
Primavera 4565Primavera 4565
Primavera 4565 Sale price$723 CAD
Elizabeth K GL3601 Off WhiteElizabeth K GL3601 Off White
Elizabeth K GL3601 Sale price$1,243 CAD
Ladivine CDS551 black V-neck sequin fitted corset gown with straps and crisscross back — striking full length front view of the sleek floor-length formal black-tie and evening wedding-guest dressLadivine CDS551 black — rear-facing view of the crisscross strap back and fitted sequin V-neck gown, a sleek choice for formal black-tie events and upscale wedding receptions
Ladivine Bridal WL070 off-white nude strapless sweetheart A-line lace gown with corset — model facing forwardBack view of Ladivine WL070 off-white nude A-line bridal gown — corset back lacing and train from behind
May Queen RQ8226May Queen RQ8226
May Queen RQ8226 Sale price$573 CAD
GLS by Gloria GL3296 SageGLS by Gloria GL3296 Sage
GLS by Gloria GL3296 Sale price$374 CAD Regular price$748 CAD
Elizabeth K GL3577 Ice BlueElizabeth K GL3577 Ice Blue
Elizabeth K GL3577 Sale price$1,501 CAD
Clarisse 811319 LilacClarisse 811319 Lilac
Clarisse 811319 Sale price$900 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!