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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS26418CPortia and Scarlett PS26418C
Portia and Scarlett PS26418C Sale priceCHF 452
Ellie Wilde EW37078Ellie Wilde EW37078
Ellie Wilde EW37078 Sale priceCHF 394
Faviana 11409Faviana 11409
Faviana 11409 Sale priceCHF 526
Jessica Angel 2510 RoyalJessica Angel 2510 Royal
Jessica Angel 2510 Sale priceCHF 384
Ellie Wilde EW37040Ellie Wilde EW37040
Ellie Wilde EW37040 Sale priceCHF 556
Portia and Scarlett PS26010Portia and Scarlett PS26010
Portia and Scarlett PS26010 Sale priceCHF 490
Ellie Wilde EW37042Ellie Wilde EW37042
Ellie Wilde EW37042 Sale priceCHF 464
Faviana 11416Faviana 11416
Faviana 11416 Sale priceCHF 387
Faviana 9603Faviana 9603
Faviana 9603 Sale priceCHF 403
Woman in a blue evening gown standing by a pool with 'Faviana' branding.Woman in a blue lace dress standing by a pool with 'Faviana' branding.
Faviana 11427 Sale priceCHF 436
Portia and Scarlett PS26176Portia and Scarlett PS26176
Portia and Scarlett PS26176 Sale priceCHF 539
Portia and Scarlett PS26019Portia and Scarlett PS26019
Portia and Scarlett PS26019 Sale priceCHF 475
Portia and Scarlett PS25984CPortia and Scarlett PS25984C
Portia and Scarlett PS25984C Sale priceCHF 803
Portia and Scarlett PS26431CPortia and Scarlett PS26431C
Portia and Scarlett PS26431C Sale priceCHF 742
Portia and Scarlett PS22036 in Cinderella BluePortia and Scarlett PS22036 in Cinderella Blue
Portia and Scarlett PS22036 Sale priceCHF 497
Ladivine CC0240 Silver NudeLadivine CC0240 Silver Nude
Ladivine CC0240 Sale priceCHF 375
Clarisse 62159Clarisse 62159
Clarisse 62159 Sale priceCHF 385
Portia and Scarlett PS25308Portia and Scarlett PS25308
Portia and Scarlett PS25308 Sale priceCHF 595
Portia and Scarlett PS26005Portia and Scarlett PS26005
Portia and Scarlett PS26005 Sale priceCHF 510
Jessica Angel 813 Bright GreenJessica Angel 813 Bright Green
Jessica Angel 813 Sale priceCHF 322
Ellie Wilde EW37227Ellie Wilde EW37227
Ellie Wilde EW37227 Sale priceCHF 452
Jessica Angel 2527 Sky BlueJessica Angel 2527 Sky Blue
Jessica Angel 2527 Sale priceCHF 393
Ellie Wilde EW37063Ellie Wilde EW37063
Ellie Wilde EW37063 Sale priceCHF 394
Jessica Angel 2641 TurquoiseJessica Angel 2641 Turquoise
Jessica Angel 2641 Sale priceCHF 357
Jovani 44229 AquaJovani 44229 Aqua
Jovani 44229 Sale priceCHF 464
Jovani 38847 Blue/SilverJovani 38847 Hot-Pink/Silver
Jovani 38847 Sale priceCHF 673
Portia and Scarlett PS26141Portia and Scarlett PS26141
Portia and Scarlett PS26141 Sale priceCHF 626
Portia and Scarlett PS26175Portia and Scarlett PS26175
Portia and Scarlett PS26175 Sale priceCHF 487
Jovani 38707 Neon PinkJovani 38707 Neon Pink
Jovani 38707 Sale priceCHF 639
Portia and Scarlett PS26037Portia and Scarlett PS26037
Portia and Scarlett PS26037 Sale priceCHF 684
Portia and Scarlett PS26450CPortia and Scarlett PS26450C
Portia and Scarlett PS26450C Sale priceCHF 690
Woman in a light blue evening gown standing by a pool with trees in the background, FAVIANA brand visible.Woman in a light blue evening gown with a pool and garden in the background, wearing a Faviana dress.
Faviana 11401 Sale priceCHF 387
Clarisse 811236Clarisse 811236
Clarisse 811236 Sale priceCHF 406
Clarisse 62272Clarisse 62272
Clarisse 62272 Sale priceCHF 438
Faviana 9592Faviana 9592
Faviana 9592 Sale priceCHF 403
Ellie Wilde EW36053Ellie Wilde EW36053
Ellie Wilde EW36053 Sale priceCHF 464
Ellie Wilde EW37026Ellie Wilde EW37026
Ellie Wilde EW37026 Sale priceCHF 464
Clarisse 62130Clarisse 62130
Clarisse 62130 Sale priceCHF 396
Ladivine CB158 Silver NudeLadivine CB158 Silver Nude
Ladivine CB158 Sale priceCHF 335
Jovani 41012 EmeraldJovani 41012 Emerald
Jovani 41012 Sale priceCHF 464
Ellie Wilde EW37001Ellie Wilde EW37001
Ellie Wilde EW37001 Sale priceCHF 429
Faviana 11414Faviana 11414
Faviana 11414 Sale priceCHF 403
Clarisse 62326Clarisse 62326
Clarisse 62326 Sale priceCHF 438
Jovani 40060 BlueJovani 40060 Blue
Jovani 40060 Sale priceCHF 673
Clarisse 62274Clarisse 62274
Clarisse 62274 Sale priceCHF 385
Ellie Wilde EW37017Ellie Wilde EW37017
Ellie Wilde EW37017 Sale priceCHF 429
Ellie Wilde EW37027Ellie Wilde EW37027
Ellie Wilde EW37027 Sale priceCHF 417
Portia and Scarlett PS26026Portia and Scarlett PS26026
Portia and Scarlett PS26026 Sale priceCHF 597

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!