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Long Formal Party Dresses & Formal Prom Gowns

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Ladivine CD721Ladivine CD721
Ladivine CD721 Sale price$266 USD
Andrea and Leo A1374Andrea and Leo A1374
Andrea and Leo A1374 Sale price$370 USD
Clarisse 62238Clarisse 62238
Clarisse 62238 Sale price$460 USD
Ellie Wilde EW37032Ellie Wilde EW37032
Ellie Wilde EW37032 Sale price$755 USD
Portia and Scarlett PS26013Portia and Scarlett PS26013
Portia and Scarlett PS26013 Sale price$709 USD
Portia and Scarlett PS25198 SeagreenPortia and Scarlett PS25198 Seagreen
Portia and Scarlett PS25198 Sale price$504 USD
Clarisse 62263Clarisse 62263
Clarisse 62263 Sale priceFrom $591
Portia and Scarlett PS26002Portia and Scarlett PS26002
Portia and Scarlett PS26002 Sale price$839 USD
Jessica Angel 2593 CeriseJessica Angel 2593 Cerise
Jessica Angel 2593 Sale price$430 USD
Faviana 11004Faviana 11004
Faviana 11004 Sale price$498 USD
Portia and Scarlett PS26012Portia and Scarlett PS26012
Portia and Scarlett PS26012 Sale price$819 USD
Faviana 11017Faviana 11017
Faviana 11017 Sale price$458 USD
Portia and Scarlett PS26424CPortia and Scarlett PS26424C
Portia and Scarlett PS26424C Sale price$899 USD
Clarisse 62162Clarisse 62162
Clarisse 62162 Sale priceFrom $451
Faviana 11467Faviana 11467
Faviana 11467 Sale price$498 USD
Faviana ES10890Faviana ES10890
Faviana ES10890 Sale price$394 USD
Portia and Scarlett PS26041Portia and Scarlett PS26041
Portia and Scarlett PS26041 Sale price$659 USD
Jovani 42541 RedJovani 42541 Red
Jovani 42541 Sale price$770 USD
Portia and Scarlett PS26004Portia and Scarlett PS26004
Portia and Scarlett PS26004 Sale priceFrom $561
Clarisse 62151Clarisse 62151
Clarisse 62151 Sale price$539 USD
Faviana 11444Faviana 11444
Faviana 11444 Sale price$578 USD
Portia and Scarlett PS26416CPortia and Scarlett PS26416C
Portia and Scarlett PS26416C Sale price$999 USD
Portia and Scarlett PS26095Portia and Scarlett PS26095
Portia and Scarlett PS26095 Sale price$639 USD
Clarisse 62318Clarisse 62318
Clarisse 62318 Sale price$504 USD
Ellie Wilde EW35011Ellie Wilde EW35011
Ellie Wilde EW35011 Sale price$629 USD
Faviana 11255Faviana 11255
Faviana 11255 Sale price$538 USD
Portia and Scarlett PS26099Portia and Scarlett PS26099
Portia and Scarlett PS26099 Sale price$819 USD
Portia and Scarlett PS26173Portia and Scarlett PS26173
Portia and Scarlett PS26173 Sale price$839 USD
Faviana 11209Faviana 11209
Faviana 11209 Sale price$498 USD
Jessica Angel 2511 JadeJessica Angel 2511 Jade
Jessica Angel 2511 Sale price$390 USD
Faviana 11270Faviana 11270
Faviana 11270 Sale price$538 USD
Faviana S10633Faviana S10633
Faviana S10633 Sale price$498 USD
Portia and Scarlett PS26432CPortia and Scarlett PS26432C
Portia and Scarlett PS26432C Sale priceFrom $779
Portia and Scarlett PS26215Portia and Scarlett PS26215
Portia and Scarlett PS26215 Sale price$969 USD
Portia and Scarlett PS26022Portia and Scarlett PS26022
Portia and Scarlett PS26022 Sale price$679 USD
Jessica Angel 2367 Neon YellowJessica Angel 2367 Neon Yellow
Jessica Angel 2367 Sale price$420 USD
Portia and Scarlett PS25311 IvoryPortia and Scarlett PS25311
Portia and Scarlett PS25311 Sale price$482 USD
Ellie Wilde EW37085Ellie Wilde EW37085
Ellie Wilde EW37085 Sale price$715 USD
Portia and Scarlett PS26405CPortia and Scarlett PS26405C
Portia and Scarlett PS26405C Sale price$699 USD
Jovani 43419 Hot PinkJovani 43419 Hot Pink
Jovani 43419 Sale price$570 USD
Ladivine C163 RoyalLadivine C163 Royal
Ladivine C163 Sale price$241 USD
Jovani 40755 BurgundyJovani 40755 Burgundy
Jovani 40755 Sale price$650 USD
Ellie Wilde EW37202Ellie Wilde EW37202
Ellie Wilde EW37202 Sale price$629 USD
Portia and Scarlett PS26223Portia and Scarlett PS26223
Portia and Scarlett PS26223 Sale price$569 USD
Ellie Wilde EW37013
Ellie Wilde EW37013 Sale price$755 USD
Jovani 44270 FuchsiaJovani 44270 Fuchsia
Jovani 44270 Sale price$770 USD
Ladivine CD759 Rose PinkLadivine CD759 Rose Pink
Ladivine CD759 Sale price$428 USD
Ladivine CC398 Smoky BlueLadivine CC398 Smoky Blue
Ladivine CC398 Sale price$269 USD

2025 Long Formal Party Dresses & Formal Prom Gowns
Check out our 2025 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!