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Long Formal Party Dresses & Formal Gowns

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5521 Item

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
Portia and Scarlett PS26413CPortia and Scarlett PS26413C
Portia and Scarlett PS26413C Sale price$ 14,507
Faviana 11251 Light Yellow prom dress front view with beaded floral appliqués, v-neck fitted silhouette, high slit, formal prom gownFaviana 11251 Light Yellow prom dress back view with open crisscross lace-up closure, fitted silhouette, sweep train, evening gown
Portia and Scarlett PS22036 in Cinderella BluePortia and Scarlett PS22036 in Cinderella Blue
Portia and Scarlett PS22036 Sale price$ 10,821
Ellie Wilde EW37201Ellie Wilde EW37201
Ellie Wilde EW37201 Sale price$ 10,088
Faviana 9592 Ink Blue prom dress with stretch satin, beaded floral appliqués on sweetheart bodice, fitted column silhouette, front view, formal evening gownFaviana 9592 Red prom dress showing crisscross lace-up open back, stretch satin fitted column with slight train, back view, formal prom gown
Faviana 11405 Cherry prom dress with satin fabric, beaded floral appliqués cascading from bodice, fitted silhouette, front view, formal prom gownFaviana 11405 Cherry prom dress with satin, dramatic open crisscross-lace back, fitted fitted silhouette, back view, evening gown
Faviana 11209 Red prom front view gown with beaded appliqués, strapless corset bodice, high slit, sweep train, formal prom gownFaviana 11209 Red prom back view gown with crisscross lace-up open back, beaded corset, sweep train, evening gown
Faviana 11400 Yellow prom dress with illusion mesh corset bodice, 3D floral lace appliqués, fitted silhouette, and sweep train — formal prom gown, front viewFaviana 11400 Yellow prom dress open back view showing crisscross lace-up tie closure, full back exposure, and boned illusion bodice — evening gown
Faviana 11404 Dark Hunter Green prom dress front view with beaded satin, sweetheart neckline, corset bodice, formal prom gownFaviana 11404 Dark Hunter Green prom dress back view with crisscross lace-up, full open back, satin skirt, evening gown
Faviana 11410Faviana 11410
Faviana 11410 Sale price$ 11,452
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
Portia and Scarlett PS24850CPortia and Scarlett PS24850C
Portia and Scarlett PS24850C Sale price$ 15,265
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
Ladivine CD721 gold strapless sweetheart beaded tulle A-line ballgown — front view of the quinceañera silhouetteLadivine 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
Clarisse 62201Clarisse 62201
Clarisse 62201 Sale price$ 6,616
Portia and Scarlett PS26012Portia and Scarlett PS26012
Portia and Scarlett PS26012 Sale price$ 13,623
Faviana 11402 Seaglass front view fitted satin prom gown with floral-appliqué lace bodice, deep V-neckline, spaghetti straps, formal prom gownFaviana 11402 Seaglass back view fitted satin prom gown with fully open back, center back ruching, sweep train, evening gown
Clarisse 810708Clarisse 810708
Clarisse 810708 Sale price$ 6,818
Faviana 11225 Electric Blue prom gown with V-neckline, satin-finish jersey, ruched open back, mermaid silhouette, spaghetti straps, front view, formal prom gownFaviana 11225 Electric Blue prom gown showing deep open back with vertical ruching, mermaid sweep train, spaghetti straps, back view, evening gown
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
Faviana 11208 Electric Blue prom dress back view with satin fabric, crisscross open back lace-up closure, mermaid silhouette, formal prom gownFaviana 11208 Navy Blue prom dress front view with beaded satin, scoop neckline spaghetti straps, mermaid silhouette, evening gown
Faviana 11255 Ink Blue prom dress with tulle beaded mesh, sweetheart illusion bodice, fitted silhouette with high slit, formal prom gownFaviana 11255 Ink Blue prom dress back view with tulle beaded mesh, dramatic lace-up crisscross open back, fitted gown, 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
Clarisse 62326Clarisse 62326
Clarisse 62326 Sale price$ 9,533
Portia and Scarlett PS25984CPortia and Scarlett PS25984C
Portia and Scarlett PS25984C Sale price$ 17,487
Clarisse 62130Clarisse 62130
Clarisse 62130 Sale price$ 8,611
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
Clarisse 62274Clarisse 62274
Clarisse 62274 Sale price$ 8,371
Clarisse 811109Clarisse 811109
Clarisse 811109 Sale price$ 7,664
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
Clarisse 62162Clarisse 62162
Clarisse 62162 Sale price$ 8,611
Faviana 11010 Raspberry front view prom dress with beaded floral appliqué embroidery, deep V-neckline, fitted satin silhouette, formal prom gownFaviana 11010 Raspberry back view prom dress with crisscross lace-up open back, beaded satin, ruched lower back, sweep train, evening gown
Faviana ES10890 Light Pink prom dress front view in fitted stretch satin with scoop neck, spaghetti straps, and sweep train, formal prom gownFaviana ES10890 Light Pink prom dress back view showing fully open crisscross lace-up back with gathered hip detail, 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 62278Clarisse 62278
Clarisse 62278 Sale price$ 6,452
Portia and Scarlett PS26026Portia and Scarlett PS26026
Portia and Scarlett PS26026 Sale price$ 12,992
Clarisse 62296Clarisse 62296
Clarisse 62296 Sale price$ 7,071
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
Faviana E11214 Sage Green prom gown in satin with v-neckline, spaghetti straps, fitted silhouette, high slit, front view, formal evening gownFaviana E11214 Sage Green prom gown showing crisscross open back lace-up construction, satin fitted silhouette, sweep train, back view, gala gown
Clarisse 62152Clarisse 62152
Clarisse 62152 Sale price$ 7,222
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
Clarisse 62280Clarisse 62280
Clarisse 62280 Sale price$ 7,601
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
Ellie Wilde EW37039 Dusk front view fitted strapless sweetheart prom gown with beaded bodice, mesh cutouts, and high slit, formal prom gownEllie Wilde EW37039 Dusk back view fitted strapless sweetheart prom gown with fully open back, boned bodice, and sweep train, evening gown
Andrea and Leo A1379Andrea and Leo A1379
Andrea and Leo A1379 Sale price$ 4,798 Regular price$ 8,889
Faviana 11211 Red prom dress front view with high-sheen satin fabric, square strapless neckline, fitted silhouette, and high front slit — formal prom gownFaviana 11211 Red prom dress back view with smooth satin construction, open crisscross lace-up back, sweep train, sleeveless strapless design — 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!