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Long Formal Party Dresses & Formal Gowns

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5521 Item

Portia and Scarlett PS25306Portia and Scarlett PS25306 Hot Pink
Portia and Scarlett PS25306 Sale price$857 CAD
Jessica Angel 2513 AquaJessica Angel 2513 Aqua
Jessica Angel 2513 Sale price$615 CAD
Ladivine CDS534 strapless off-shoulder sheath gown with beaded sheer corset — main front view evening lookLadivine CDS534 beaded sheer corset gown — angled view showcasing the off-shoulder sleeves and high slit
Ladivine CC0881 Silver-NudeLadivine CC0881 Silver-Nude
Ladivine CC0881 Sale price$377 CAD
Ladivine CD795 Blue beaded lace mermaid gown with plunging V-neck, prom gownLadivine CD795 Blue beaded fitted gown with open back, back view pageant gown
Ladivine CD795 Sale price$305 CAD Regular price$694 CAD
Faviana 11222 Ivory Floral front view prom dress with sequin mesh fabric, strapless square neckline, fitted silhouette, formal prom gownFaviana 11222 Ivory Floral back view prom dress showing fully open back, sequin floral mesh, sweep train, evening gown
Atria 7101HAtria 7101H
Atria 7101H Sale price$673 CAD
Portia and Scarlett PS25179Portia and Scarlett PS25179 Hot Pink
Portia and Scarlett PS25179 Sale price$870 CAD
Faviana 11215 Light PinkFaviana 11215 Light Pink
Faviana 11215 Sale price$472 CAD
Portia and Scarlett PS25174Portia and Scarlett PS25174 Pink
Portia and Scarlett PS25174 Sale price$779 CAD
Ladivine CC0389C Rose GoldLadivine CC0389C Rose Gold
Ladivine CC0389C Sale price$577 CAD
Ladivine CDS525 mocha gold beaded lace A-line gown with detachable off-shoulder sleeves — front view evening lookLadivine CDS525 beaded lace A-line gown — editorial pose showcasing the off-shoulder sleeves and full skirt
Ladivine CC8918 BlackLadivine CC8918 Black
Ladivine CC8868 RoyalLadivine CC8868 Royal
PS25158-MauvePS25158-Mauve Bk
Portia and Scarlett PS25158 Sale price$714 CAD
Ladivine CDS535 one-shoulder asymmetric satin sheath gown with beading — main front view evening lookLadivine CDS535 asymmetric beaded satin gown — angled view showcasing the one-shoulder neckline
Clarisse 811254Clarisse 811254
Clarisse 811254 Sale price$790 CAD
Ladivine CDS521 emerald strapless sweetheart sheer lace corset fitted gown with slit — front view prom lookLadivine CDS521 black strapless lace corset fitted gown — sleek noir front view evening silhouette
Clarisse 811205 EmeraldClarisse 811205 Emerald
Clarisse 811205 Sale price$729 CAD
Ladivine C167 ChampagneLadivine C167 Lavender
Ladivine C167 Sale price$337 CAD
Ladivine C162 LavenderLadivine C162 Lavender
Ladivine C162 Sale price$197 CAD Regular price$334 CAD
Portia and Scarlett PS25199Portia and Scarlett PS25199
Portia and Scarlett PS25199 Sale price$844 CAD
Ladivine CD0106 RoyalLadivine CD0106 Royal
Ladivine CD0106 Sequin Lace Glitter Stretch Satin V-Neck Gown Sale price$247 CAD Regular price$603 CAD
PS25155-PinkPS25155-Pink
Portia and Scarlett PS25155 Sale price$831 CAD
La Femme 32834 Dark BerryLa Femme 32834 Royal Blue
La Femme 32834 Sale price$444 CAD
Ladivine CC2401 Light BlueLadivine CC2401 Light Blue
Ladivine CC2401 Sale price$197 CAD Regular price$493 CAD
Clarisse 811218Clarisse 811218
Clarisse 811218 Sale price$778 CAD
Portia and Scarlett PS25188 EmeraldPortia and Scarlett PS25188 Purple
Portia and Scarlett PS25188 Sale price$714 CAD
La Femme 32947 Dark BerryLa Femme 32947 Black
La Femme 32947 Sale price$609 CAD
Ladivine CDS527 spaghetti strap cut glass beaded sheer corset sheath gown — main front view prom lookLadivine CDS527 cut glass beaded mermaid gown — angled view highlighting the sweetheart bodice and tulle skirt
La Femme 32962 Cloud BlueLa Femme 32962 Periwinkle
La Femme 32962 Sale price$416 CAD
Ladivine CC0401 RedLadivine CC0401 Red
Ladivine CC0401 Sale price$394 CAD
Portia and Scarlett PS25310 WhitePortia and Scarlett PS25310 Mint
Portia and Scarlett PS25310 Sale price$1,143 CAD
Clarisse 811146 BlackClarisse 811146 Black
Clarisse 811146 Sale price$546 CAD
PS25153-EmeraldPS25153-HOT PINK BK
Portia and Scarlett PS25153 Sale price$650 CAD
Jessica Angel 2522 CeriseJessica Angel 2522 Cerise
Jessica Angel 2522 Sale price$678 CAD
Portia and Scarlett PS25186Portia and Scarlett PS25186 Hot Pink
Portia and Scarlett PS25186 Sale price$870 CAD
Portia and Scarlett PS25313 PinkPortia and Scarlett PS25313 Pink
Portia and Scarlett PS25313 Sale price$857 CAD
Clarisse 811118 BlackClarisse 811118 Black
Clarisse 811118 Sale price$607 CAD
Faviana 11235 Peacock front view fitted V-neck jersey prom gown with hot-stone ruching, thigh-high slit, and straps, formal evening gownFaviana 11235 Peacock back view fitted jersey prom gown with crisscross lace-up open back, hot-stone scatter, and sweep train, evening gown
Clarisse 811337 Black MultiClarisse 811337 Black Multi
Clarisse 811337 Sale price$790 CAD
Portia and Scarlett PS25335 Hot Pink
Portia and Scarlett PS25335 Sale price$584 CAD
Faviana 11234 Cloud Blue prom dress front view with beaded mesh floral appliqués, halter V-neck, fitted fitted silhouette, formal prom gownFaviana 11234 Cloud Blue prom dress back view showing open back, halter straps, sweep train, beaded floral appliqués, evening gown
Portia and Scarlett PS25178 BluePortia and Scarlett PS25178 Blue
Portia and Scarlett PS25178 Sale price$779 CAD
LaDivine KV1123 fuchsia pink crystal beaded off-shoulder sheath prom gown — front view with fringe detailLaDivine KV1123 fuchsia pink — angled view of the beaded bodice and cascading fringe accents
Clarisse 811268 HeatherClarisse 811268 Heather
Clarisse 811268 Sale price$900 CAD
Ladivine CD779 nude gold plunging V-neck crystal sheath gown with pleated hipline — front view prom lookLadivine CD779 nude gold crystal sheath gown — back view of the plunging V-neck silhouette and train
Portia and Scarlett PS25242 FuchsiaPortia and Scarlett PS25242 Fuchsia
Portia and Scarlett PS25242 Sale price$597 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!