Long Formal Party Dresses|2025 Formal Prom Gowns|Short Formal Dresses Skip to content

FREE Shipping on orders $250 & Over (US & Canada Only)

Shopping Bag

Your cart is currently empty.

Long Formal Party Dresses & Formal Gowns

Sort by

4710 Item

Clarisse 62274Clarisse 62274
Clarisse 62274 Sale price$663 CAD
Ladivine CD727 Sage Green strapless beaded bodice fitted gown with thigh-high slit, front viewLadivine CD727 Sage Green beaded gown, back view of strapless fitted bodice silhouette
Ladivine J903 graphite silver strapless sweetheart glitter corset gown — deep charcoal-and-silver two-tone front view of the fitted prom and engagement formal with trainLadivine J903 graphite silver — rear-facing view of the crisscross-style corset back and graphite-silver glitter train
Ladivine CD728 Silver Nude strapless sheer beaded mermaid gown with subtle train, front viewLadivine CD728 Silver Nude beaded mermaid gown, back view of sheer bodice and train
Faviana 11410Faviana 11410
Faviana 11410 Sale price$907 CAD
Faviana E11201 Sage Green prom dress with stretch satin, beaded floral appliqués, scoop neckline, mermaid silhouette, front view, formal evening gownFaviana E11201 Sage Green prom dress with crisscross lace-up open back, stretch satin, beaded floral appliqués, mermaid silhouette, back view, evening gown
LaDivine CD722 clelo blue v-neck beaded fitted evening gown — celestial sky-blue front view for mother of the brideLaDivine CD722 clelo blue — rear-facing view showing the long-sleeve of the fitted evening gown
Faviana 11004 Light Pink strapless fit-and-flare prom gown front view with beaded 3D floral appliques mesh skirt square neckline formal evening gownFaviana 11004 Light Pink open lace-up crisscross back prom gown back view full back exposed ribbon tie closure formal evening gown
Clarisse 811109Clarisse 811109
Clarisse 811109 Sale price$607 CAD
Clarisse 62201Clarisse 62201
Clarisse 62201 Sale price$524 CAD
Portia and Scarlett PS26032 pink prom strapless boned corset mermaid gown in stretch satin with sweep train, high-back closure, front view, formal prom gownPortia and Scarlett PS26032 pink prom strapless corset mermaid gown showing structured high-back zipper closure in stretch satin, back view, evening gown
Ladivine CD721 blue — front view of the cool blue strapless beaded tulle A-line gownLadivine CD721 gold — back view of the crisscross corset lace-up and tulle ballgown skirt
Ladivine J888 gold strapless sweetheart beaded tulle gown — front view of the prom silhouetteLadivine J888 gold — back view of the crisscross corset lace-up and beaded tulle skirt
Ladivine CK2405 navy beaded strapless sweetheart ballgown — front view of the prom A-line silhouetteLadivine CK2405 navy — back view showcasing the crisscross corset lace-up and beaded bodice
LaDivine KV1121 dusty blue off-shoulder floral satin sheath prom gown — front view with high slitLaDivine KV1121 dusty blue — angled view of the floral satin bodice and parting thigh slit
Clarisse 62326Clarisse 62326
Clarisse 62326 Sale price$755 CAD
Clarisse 62278Clarisse 62278
Clarisse 62278 Sale price$511 CAD
Clarisse 62130Clarisse 62130
Clarisse 62130 Sale price$682 CAD
Clarisse 62162Clarisse 62162
Clarisse 62162 Sale price$682 CAD
Clarisse 810708Clarisse 810708
Clarisse 810708 Sale price$540 CAD
Portia and Scarlett PS22036Portia and Scarlett PS22036
Portia and Scarlett PS22036 Sale price$857 CAD
Clarisse 62296Clarisse 62296
Clarisse 62296 Sale price$560 CAD
Faviana 11414 Red prom dress with lace appliqué bodice, sequin beading, sweetheart fitted silhouette, front view, formal prom gownFaviana 11414 Red prom dress with crisscross open back, lace-trimmed straps, fitted sweep train, back view, evening gown
Faviana 11458Faviana 11458
Faviana 11458 Sale price$500 CAD
Ladivine CB163 royal — angled view of the V-neck hot-stone satin gown with high slitLadivine CB163 royal — back view of the crisscross strap closure and satin train
Ladivine CB163 Plunge V-Neck Metallic Pleated Gown Sale price$502 CAD Regular price$1,116 CAD
Ladivine CD736C black strapless sweetheart beaded satin fitted corset gown with crisscross back and high slit — polished dark plus-size head-on front view of the prom, pageant and holiday formal with trainLadivine CD736C blue strapless sweetheart beaded satin fitted corset gown with crisscross back and high slit — vivid cobalt-blue plus-size head-on front view of the floor-length prom and pageant formal
LaDivine T9003 black v-neck beaded fitted mermaid prom gown — polished dark front view for promLaDivine T9003 black — rear-facing view showing the long-sleeve fully-embellished of the fitted mermaid prom gown
Clarisse 62129Clarisse 62129
Clarisse 62129 Sale price$590 CAD
Clarisse 62241Clarisse 62241
Clarisse 62241 Sale price$572 CAD
Clarisse 62252Clarisse 62252
Clarisse 62252 Sale price$602 CAD
Andrea and Leo A1388Andrea and Leo A1388
Andrea and Leo A1388 Sale price$297 CAD Regular price$504 CAD
Andrea and Leo A1379Andrea and Leo A1379
Andrea and Leo A1379 Sale price$380 CAD Regular price$704 CAD
LaDivine T605 black v-neck satin fitted bridesmaid gown — polished dark front view for bridesmaidLaDivine T605 navy — rear-facing view showing the fitted bodice with high slit of the fitted bridesmaid gown
Ellie Wilde EW36210 Red prom dress front view, high-sheen satin ballgown with boned sweetheart corset bodice, ribbon tie straps, full skirt, formal prom gownEllie Wilde EW36210 Red prom dress back view, lace-up corset back on full satin ballgown, boning visible through bodice, formal evening gown
LaDivine T613 black v-neck satin fitted bridesmaid gown — polished dark front view for bridesmaidLaDivine T613 black — rear-facing view showing the open back with high slit of the fitted bridesmaid gown
Ladivine CD390 black — angled view of the strapless beaded satin corset gown with high slitLadivine CD390 black — back view of the crisscross corset lace-up and satin train
Ladivine CD390 Rhinestone Corset Mesh Panel Mermaid Gown Sale price$322 CAD Regular price$608 CAD
LaDivine J886 red scoop beaded fitted evening gown — vibrant scarlet front view for formalLaDivine J886 red — rear-facing view showing the long-sleeve with high slit of the fitted evening gown
Clarisse 62152Clarisse 62152
Clarisse 62152 Sale price$572 CAD
LaDivine KV1129 champagne v-neck beaded fitted evening gown — soft champagne-beige front view for mother of the brideLaDivine KV1129 champagne — rear-facing view showing the long-sleeve corset bodice of the fitted evening gown
Faviana 11457Faviana 11457
Faviana 11457 Sale price$556 CAD
LaDivine CDS546 gold halter beaded fitted mermaid prom gown — warm metallic-gold front view for promLaDivine CDS546 gold — rear-facing view showing the corset bodice with crisscross open back and high slit of the fitted mermaid prom gown
Ladivine J887 burgundy strapless sweetheart beaded satin gown with high slit — front view of the prom silhouetteLadivine J887 burgundy — back view of the high beaded back and trailing satin train
Andrea and Leo A1429Andrea and Leo A1429
Andrea and Leo A1429 Sale price$330 CAD Regular price$579 CAD
Clarisse 62122Clarisse 62122
Clarisse 62122 Sale price$453 CAD
Ellie Wilde EW37002Ellie Wilde EW37002
Ellie Wilde EW37002 Sale price$579 CAD
Ladivine CD693 silver-nude off-shoulder beaded tulle corset gown — front view of the evening silhouetteLadivine CD693 silver-nude — back view of the high corset back and beaded tulle train
Clarisse 62294Clarisse 62294
Clarisse 62294 Sale price$633 CAD
Ladivine CB165 black — angled view of the one-shoulder beaded corset tulle gownLadivine CB165 black-nude — back view of the crisscross corset lace-up and tulle train

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!