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Long Formal Party Dresses & Formal Gowns

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5521 Item

Ladivine CD786 Sage Green glitter tulle A-line gown with beaded floral bodice, prom gownLadivine CD786 Sage Green glitter tulle A-line gown with crisscross back, back view prom gown
Ladivine CD786 Sale price$507 CAD
Ladivine CD370 Red off-shoulder ruched satin gown with high slit, prom gownLadivine CD370 Red satin gown with corset back, back view evening gown
Ladivine CD370 Sale price$133 CAD Regular price$303 CAD
Atria 6839H KiwiAtria 6839H Kiwi
Atria 6839H Sale price$713 CAD
Atria 7003HAtria 7003H
Atria 7003H Sale price$687 CAD
Faviana 11271 Black prom dress with satin and beaded sequin appliqués, strapless sweetheart neckline, mermaid silhouette, formal prom gownFaviana 11271 Black prom dress with open back, satin base and beaded floral appliqués, mermaid silhouette, evening gown
Faviana 11220 Aqua Blue prom dress front view with all-over sequin and beading on mesh, fitted strapless sweetheart gown with high slit, formal prom gownFaviana 11220 Aqua Blue prom dress side view with beaded sequin mesh fabric, fitted silhouette with high slit and train, evening gown
Portia and Scarlett PS25241Portia and Scarlett PS25241 Black
Portia and Scarlett PS25241 Sale price$519 CAD
Ladivine CD0103 Emerald Green strapless satin gown with corset bodice and high slit, prom gownLadivine CD0103 Royal Blue fitted satin gown with ruched bodice, pageant gown
Ladivine CD0103 Sale price$190 CAD
Faviana E11213 Light Blue prom dress with jersey, high slit and crisscross open back, fitted v-neck silhouette, formal prom gownFaviana E11213 Light Blue prom dress back view with jersey, crisscross open back and straps, fitted gown, evening gown
La Femme 32689 NavyLa Femme 32689 Navy
La Femme 32689 Sale price$609 CAD
Faviana 11206 RoyalFaviana 11206 Peacock
Faviana 11206 Sale price$667 CAD
Portia and Scarlett PS25251 Lt BluePortia and Scarlett PS25251
Portia and Scarlett PS25251 Sale price$650 CAD
Ladivine CD775 robin blue crystal beaded lace corset sheath with high slit — soft blue front viewLadivine CD775 robin blue lace corset gown — back view of the spaghetti straps and beaded bodice
Ladivine CD775 Crystal Beaded Lace Corset Sheath with High Slit Sale price$305 CAD Regular price$744 CAD
Portia and Scarlett PS25191 IvoryPortia and Scarlett PS25191 Ivory
Portia and Scarlett PS25191 Sale price$909 CAD
Ladivine CC385 Silver strapless fully sequined mermaid gown with sweetheart neckline, prom gownLadivine CC385 Silver sequined mermaid gown with sweep train, back view evening gown
Ladivine CC385 Sale price$394 CAD
La Femme 32734 RedLa Femme 32734 Red
La Femme 32734 Sale price$383 CAD
Ladivine CC0688 Gold strapless beaded hot-stone mermaid gown with sweetheart neckline, prom gownLadivine CC0688 Gold beaded mermaid gown with open back and sweep train, back view evening gown
Ladivine CC0688 Sale price$627 CAD
Atria 7001HAtria 7001H
Atria 7001H Sale price$673 CAD
Ladivine CD767 platinum strapless beaded sweetheart sheer corset basque sheath gown — featured front viewLadivine CD767 red strapless beaded corset basque gown — bold crimson front view evening look
La Femme 32774 SageLa Femme 32774 Light Periwinkle
La Femme 32774 Sale price$656 CAD
Clarisse 811167Clarisse 811167
Clarisse 811167 Sale price$687 CAD
Ladivine CDS529 scoop neck crystal studded stretch satin sheath gown with slit — main front view prom lookLadivine CDS529 crystal studded satin gown — angled view showcasing the scoop neckline and high slit
Clarisse 811206Clarisse 811206
Clarisse 811206 Sale price$485 CAD
Clarisse 811187 NavyClarisse 811187 Navy
Clarisse 811187 Sale price$729 CAD
LaDivine J4305 lavender v-neck sheer corset sheath prom gown — front view of the rhinestone bodiceLaDivine J4305 platinum — back view of the crisscross corset lace-up on the sheer sheath
La Femme 32843 BlackLa Femme 32843 Black
La Femme 32843 Sale price$500 CAD
Clarisse 811124 LilacClarisse 811124 Lilac
Clarisse 811124 Sale price$790 CAD
Portia and Scarlett PS25629E Black/CreamPortia and Scarlett PS25629E Black/Cream
Portia and Scarlett PS25629E Sale price$1,280 CAD
Portia and Scarlett PS25316 PinkPortia and Scarlett PS25316 Lilac
Portia and Scarlett PS25316 Sale price$1,000 CAD
Portia and Scarlett PS25201Portia and Scarlett PS25201 Black
Portia and Scarlett PS25201 Sale price$584 CAD
Ladivine KV1125 Dusty BlueLadivine KV1125 Dusty Blue
Jessica Angel 2576 RedJessica Angel 2576 Red
Jessica Angel 2576 Sale price$615 CAD
Ladivine CD797 Black strapless satin mermaid gown with lace corset bodice, prom gownLadivine CD797 Black satin mermaid gown with sweep train, back view evening gown
Ladivine CD797 Sale price$240 CAD
Ladivine C166 LavenderLadivine C166 Silver
Ladivine C166 Sale price$230 CAD Regular price$404 CAD
Portia and Scarlett PS25235 LilacPortia and Scarlett PS25235
Portia and Scarlett PS25235 Sale price$857 CAD
Portia and Scarlett PS25173 Hot PinkPortia and Scarlett PS25173 Hot Pink
Portia and Scarlett PS25173 Sale price$870 CAD
Clarisse 811214 WatermelonClarisse 811214 Watermelon
Clarisse 811214 Sale price$748 CAD
Portia and Scarlett PS25225 FuchsiaPortia and Scarlett PS25225
Portia and Scarlett PS25225 Sale price$649 CAD
Ladivine CD804 Black off-shoulder satin gown with beaded lace corset bodice and high slit, prom gownLadivine CD804 Black off-shoulder satin gown with sweep train, back view evening gown
Ladivine CD804 Sale price$274 CAD Regular price$527 CAD
Ladivine CZ0028 Silver beaded mermaid gown with tulle overskirt, engagement gownLadivine CZ0028 Silver beaded V-neck gown with sweep train, back view reception gown
Ladivine CZ0028 Sale price$741 CAD
La Femme 32970 BlackLa Femme 32970 Black
La Femme 32970 Sale price$656 CAD
Ladivine CD381 BlackLadivine CD381 Light Yellow
La Femme 30484 Dark BerryLa Femme 30484 Dark Berry
La Femme 30484 Sale price$416 CAD
Portia and Scarlett PS25214 EmeraldPortia and Scarlett PS25214
Portia and Scarlett PS25214 Sale price$584 CAD
LaDivine SF117 champagne gold halter illusion stretch satin sheath gown — front view of the slim silhouetteLaDivine SF117 emerald halter stretch satin gown — rich green front view of the fitted sheath
La Femme 32753 Royal BlueLa Femme 32753 Royal Blue
La Femme 32753 Sale price$609 CAD
Clarisse 811262 Light PinkClarisse 811262 Light Pink
Clarisse 811262 Sale price$338 CAD
Faviana 11230 Cotton Candy Pink prom dress with tulle skirt, floral lace appliqués, boned corset bodice, a-line ballgown silhouette, front view, formal prom gownFaviana 11230 Cotton Candy Pink prom dress back view showing open lace-up corset closure, tulle ballgown silhouette, floral appliqués, evening gown

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!