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

5514 Item

Faviana 11402Faviana 11402
Faviana 11402 Sale price$ 8,385
Faviana 11002Faviana 11002
Faviana 11002 Sale price$ 8,410
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 11414Faviana 11414
Faviana 11414 Sale price$ 8,737
Clarisse 62201Clarisse 62201
Clarisse 62201 Sale price$ 6,587
Portia and Scarlett PS26026Portia and Scarlett PS26026
Portia and Scarlett PS26026 Sale price$ 12,935
Faviana 11410Faviana 11410
Faviana 11410 Sale price$ 11,401
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
Clarisse 62326Clarisse 62326
Clarisse 62326 Sale price$ 9,491
Clarisse 62274Clarisse 62274
Clarisse 62274 Sale price$ 8,334
Faviana ES10890Faviana ES10890
Faviana ES10890 Sale price$ 6,851
Faviana 11255Faviana 11255
Faviana 11255 Sale price$ 9,114
Faviana 11225Faviana 11225
Faviana 11225 Sale price$ 5,946
Faviana 11010Faviana 11010
Faviana 11010 Sale price$ 8,724
Ellie Wilde EW37201Ellie Wilde EW37201
Ellie Wilde EW37201 Sale price$ 10,044
Faviana 11209Faviana 11209
Faviana 11209 Sale price$ 8,410
Faviana 11251Faviana 11251
Faviana 11251 Sale price$ 8,749
Portia and Scarlett PS24850CPortia and Scarlett PS24850C
Portia and Scarlett PS24850C Sale price$ 15,198
Clarisse 810708Clarisse 810708
Clarisse 810708 Sale price$ 6,788
Faviana E11201Faviana E11201
Faviana E11201 Sale price$ 7,341
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
Portia and Scarlett PS25984CPortia and Scarlett PS25984C
Portia and Scarlett PS25984C Sale price$ 17,410
Clarisse 811109Clarisse 811109
Clarisse 811109 Sale price$ 7,630
Clarisse 62130Clarisse 62130
Clarisse 62130 Sale price$ 8,573
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
Portia and Scarlett PS26413CPortia and Scarlett PS26413C
Portia and Scarlett PS26413C Sale price$ 14,443
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
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
Faviana 11208Faviana 11208
Faviana 11208 Sale price$ 8,762
Portia and Scarlett PS22036 in Cinderella BluePortia and Scarlett PS22036 in Cinderella Blue
Portia and Scarlett PS22036 Sale price$ 10,773
Clarisse 62162Clarisse 62162
Clarisse 62162 Sale price$ 8,573
Faviana 9592Faviana 9592
Faviana 9592 Sale price$ 8,737
Clarisse 62296Clarisse 62296
Clarisse 62296 Sale price$ 7,040
Faviana 11004Faviana 11004
Faviana 11004 Sale price$ 8,410
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 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 PS26012Portia and Scarlett PS26012
Portia and Scarlett PS26012 Sale price$ 13,563
Clarisse 62278Clarisse 62278
Clarisse 62278 Sale price$ 6,424
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
Faviana S10801Faviana S10801
Faviana S10801 Sale price$ 8,058
Ellie Wilde EW37120Ellie Wilde EW37120
Ellie Wilde EW37120 Sale price$ 7,027
Andrea and Leo A1379Andrea and Leo A1379
Andrea and Leo A1379 Sale price$ 4,777 Regular price$ 8,850
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
Clarisse 62294Clarisse 62294
Clarisse 62294 Sale price$ 7,957
Faviana 11458Faviana 11458
Faviana 11458 Sale price$ 6,285
Andrea and Leo A1392Andrea and Leo A1392
Andrea and Leo A1392 Sale price$ 6,336
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$ 6,311 Regular price$ 14,029
Andrea and Leo A1388Andrea and Leo A1388
Andrea and Leo A1388 Sale price$ 3,734 Regular price$ 6,336

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!