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Long Formal Party Dresses & Formal Gowns

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5521 Item

Portia and Scarlett PS25203 LilacPortia and Scarlett PS25203 Hot Pink
Portia and Scarlett PS25203 Sale price$571 CAD
Clarisse 811119 Vamp RedClarisse 811119 Vamp Red
Clarisse 811119 Sale price$607 CAD
Ladivine CD796 Dark Sage halter-neck satin mermaid gown with high slit, prom gownLadivine CD796 Dark Sage halter satin gown with ruched bodice, back view wedding guest gown
Ladivine CD796 Sale price$190 CAD
Ladivine CM370 fuchsia spaghetti strap sweetheart beaded sequin illusion sheath gown — front view prom lookLadivine CM370 fuchsia sequin illusion gown — back view of the crisscross straps and fitted silhouette
Ladivine KV1126 MauveLadivine KV1126 Navy
Clarisse 811190Clarisse 811190
Clarisse 811190 Sale price$809 CAD
Ladivine CD796C Royal Blue halter-neck satin mermaid gown with high slit, prom gownLadivine CD796C Royal Blue halter satin gown with ruched bodice and open back, wedding guest gown
Ladivine CD796C Sale price$197 CAD
Ladivine CC467 EmeraldLadivine CC467 Emerald
Faviana 11229 Light BlueFaviana 11229 Light Blue
Faviana 11229 Sale price$723 CAD
Faviana 11218 Lilac Purple prom dress front view with sequin beaded mesh fabric, v-neckline, fitted silhouette, high slit, formal prom gownFaviana 11218 Lilac Purple prom dress back view with fully open back, crisscross lace-up straps, sequin beaded mesh, evening gown
Ladivine CC4021 Dusty BlueLadivine CC4021 Black
Ladivine CD766 silver nude spaghetti strap rhinestone sweetheart sheer corset mermaid gown — front viewLadivine CD766 silver nude rhinestone gown — back view of the sheer corset and fitted mermaid silhouette
La Femme 32773 Royal BlueLa Femme 32773 Royal Blue
La Femme 32773 Sale price$556 CAD
Ladivine CD776 red V-neck crystal lace mermaid gown with open V-back — vibrant front view evening lookLadivine CD776 red crystal lace mermaid gown — rear view of the open V-back and floor-length train
Atria 6830HAtria 6830H
Atria 6830H Sale price$656 CAD
PS25165-White-BlackPS25165-White Black
Portia and Scarlett PS25165 Sale price$909 CAD
Ladivine CM372 royal blue spaghetti strap sweetheart lace taffeta sheath gown — front view prom lookLadivine CM372 royal blue lace taffeta gown — back view of the crisscross open back and corset detail
Faviana 9578 NavyFaviana 9578 Navy
Faviana 9578 Sale price$667 CAD
Portia and Scarlett PS25206 BluePortia and Scarlett PS25206 Blue
Portia and Scarlett PS25206 Sale price$650 CAD
Faviana 11243 LipstickFaviana 11243 Lipstick
Faviana 11243 Sale price$695 CAD
Ladivine CDS529C scoop crystal satin sheath gown with detachable straps — main front view plus size prom lookLadivine CDS529C crystal satin sheath gown — angled view showcasing the scoop neckline and fitted silhouette
Faviana 11207 LipstickFaviana 11207 Red
Faviana 11207 Sale price$639 CAD
Ladivine CC0238 GoldLadivine CC0238 Gold
Ladivine CC0238 Sale price$213 CAD Regular price$362 CAD
Ladivine CM373 sea mist off-shoulder short sleeve beaded sequin sheath gown — front view evening lookLadivine CM373 sea mist sequin sheath gown — back view of the corset bodice and floor-length silhouette
Ladivine CC427 EmeraldLadivine CC427 Emerald
Faviana 11203 Lilac Purple prom dress front view with all-over sequin glitter mesh, deep surplice v-neck, open back, floor-length a-line silhouette, formal prom gownFaviana 11203 Lilac Purple prom dress back view confirming fully open back with thin spaghetti straps, all-over sequin glitter mesh a-line gown, evening gown
Ladivine CC477 Silver NudeLadivine CC477 Smoky Blue
Ladivine CM367 black strapless sweetheart sheath gown with lace and horsehair hem — main front view evening lookLadivine CM367 black lace sheath gown — back view of the corset bodice and horsehair hem detail
Ladivine CD379 RoyalLadivine CD379 Fuchsia
Clarisse 811176 Winter BlueClarisse 811176 Winter Blue
Clarisse 811176 Sale price$656 CAD
Ladivine CD773 emerald strapless sheer corset satin gown with side sash — rich green front view prom lookLadivine CD773 emerald satin corset gown — angled view highlighting the side sash and high slit
PS25159-BluePS25159-Blue Bk
Portia and Scarlett PS25159 Sale price$705 CAD
Ladivine CD754 silver metallic satin plunging V-neck beaded sheath gown — sleek front view evening look
Portia and Scarlett PS25631E Black/WhitePortia and Scarlett PS25631E Black/White
Portia and Scarlett PS25631E Sale price$995 CAD
PS25162-CobaltPS25162-Fushsia Bk
Portia and Scarlett PS25162 Sale price$870 CAD
La Femme 32981 Royal BlueLa Femme 32981 Royal Blue
La Femme 32981 Sale price$600 CAD
LaDivine KV1119 navy blue v-neck ruched stretch satin sheath gown — front view with side sashLaDivine KV1119 navy blue — angled view of the ruched satin bodice and draped side sash
LaDivine KV1117 black sequin lace stretch satin sheath prom gown — front view with illusion insetLaDivine KV1117 black — close-up of the sequin lace detailing and sheer illusion panel
Ladivine CM382 Rose GoldLadivine CM382 Rose Gold
Ladivine CD774 dusty blue crystal beaded ruched sheath gown with high slit — soft front view prom gownLadivine CD774 silver crystal beaded ruched gown — main metallic front view with high slit
Ladivine CD774 Crystal Beaded Ruched Sheath Gown with High Slit Sale price$305 CAD Regular price$727 CAD
Ladivine CD756 rose champagne beaded corset gown — angled side view highlighting the fitted bodice and tulle skirtLadivine CD756 rose champagne — close-up detail of the crystal beading across the strapless corset bodice
Ladivine CD752 Dusty BlueLadivine CD752 Dusty Blue
Ladivine CD375 RedLadivine CD375 Red
Ladivine CC8884 Rose GoldLadivine CC8884 Rose Gold
Ladivine CC8879 Light blueLadivine CC8879 Light blue
Ladivine CC8879 Crystal Embellished Stretch Satin Mermaid Gown Sale price$213 CAD Regular price$435 CAD
La Femme 32912 BlackLa Femme 32912 Black
La Femme 32912 Sale price$581 CAD
La Femme 32872 RedLa Femme 32872 Yellow
La Femme 32872 Sale price$461 CAD
La Femme 32851 Cloud BlueLa Femme 32851 Cloud Blue
La Femme 32851 Sale price$556 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!