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Long Formal Party Dresses & Formal Prom Gowns

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Faviana S10861 PurpleFaviana S10861 Purple
Faviana S10861 Sale priceCHF 338
Portia and Scarlett PS25269Portia and Scarlett PS25269 Blue
Portia and Scarlett PS25269 Sale priceCHF 526
Faviana 11007 RoyalFaviana 11007 Royal
Faviana 11007 Sale priceCHF 370
SCALA 47551 RustSCALA 47551 Rust
SCALA 47551 Sale priceCHF 329
Jessica Angel 2432 Medium PinkJessica Angel 2432 Medium Pink
Jessica Angel 2432 Sale priceCHF 502
Ladivine J91Ladivine J91
Ladivine J910 Sale priceCHF 173
Alyce Paris 61500 RaspberryAlyce Paris 61500 Raspberry
Alyce Paris 61500 Sale priceCHF 311
Mac Duggal 5685Mac Duggal 5685
Mac Duggal 5685 Sale priceCHF 401
Clarisse 811215 Dusty BlueClarisse 811215 Dusty Blue
Clarisse 811215 Sale priceCHF 415
Portia and Scarlett PS26094Portia and Scarlett PS26094
Portia and Scarlett PS26094 Sale priceCHF 393
GLS by Gloria GL3369 NavyGLS by Gloria GL3369 Navy
GLS by Gloria GL3369 Sale priceCHF 197 Regular priceCHF 393
Jovani 06995 GreenJovani 06995 Green
Jovani 06995 Sale priceCHF 690 Regular priceCHF 710
Ladivine CC494Ladivine CC494
Ladivine CC494 Sale priceCHF 217
La Femme 32939 RedLa Femme 32939 Royal Blue
La Femme 32939 Sale priceCHF 337
Atria 6810HAtria 6810H
Atria 6810H Sale priceCHF 380
Mac Duggal 67870 In Black and Multi-colorMac Duggal 67870 In Black and Multi-color
Mac Duggal 67870 Sale priceCHF 401
May Queen LK263 WhiteMay Queen LK263 White
May Queen LK263 Sale priceCHF 1,155
Elizabeth K GL3562 NavyElizabeth K GL3562 Champagne
Elizabeth K GL3562 Sale priceCHF 220
Terani Couture 252C5023Terani Couture 252C5023
Terani Couture 252C5023 Sale priceCHF 568
Clarisse 811293 Pale LilacClarisse 811293 Pale Mint
Clarisse 811293 Sale priceCHF 398
Andrea and Leo A1288 White/FlowersAndrea and Leo A1288 White/Flowers
Andrea and Leo A1288 Sale priceCHF 260
Ladivine T612Ladivine T612
Ladivine T612 Sale priceCHF 101
SCALA 60385SCALA 60385
SCALA 60385 Sale priceCHF 477
Ladivine CD210C Metallic BlueLadivine CD210C Metallic Blue
Ladivine CD210C Sale priceCHF 96
Ieena Duggal 49734 Apple GreenIeena Duggal 49734 Apple Green
Ieena Duggal 49734 Sale priceCHF 344
Faviana S10863E RedFaviana S10863E Red
Faviana S10863E Sale priceCHF 338
Ladivine CD0239 English VoiletLadivine CD0239 English Voilet
Ladivine CD0239 Sale priceCHF 302
Alyce Paris 61916 CeladonAlyce Paris 61916 Celadon
Alyce Paris 61916 Sale priceCHF 311
Ladivine CL1Ladivine CL1
Ladivine CL10 Sale priceCHF 217
Elizabeth K GL3590 Rose GoldElizabeth K GL3590 Royal Blue
Elizabeth K GL3590 Sale priceCHF 132
Primavera 4592Primavera 4592
Primavera 4592 Sale priceCHF 231
Mac Duggal 93749 In GreenMac Duggal 93749 In Green
Mac Duggal 93749 Sale priceCHF 401
Clarisse 810521 Ivory/Winter BlueClarisse 810521 Ivory/Winter Blue
Clarisse 810521 Sale priceCHF 411
Ladivine J899Ladivine J899
Ladivine J899 Sale priceCHF 196
Portia and Scarlett PS26198Portia and Scarlett PS26198
Portia and Scarlett PS26198 Sale priceCHF 393
Ladivine CC492Ladivine CC492
Ladivine CC492 Sale priceCHF 302
Portia and Scarlett PS26065Portia and Scarlett PS26065
Portia and Scarlett PS26065 Sale priceCHF 665
Atria 7042HAtria 7042H
Atria 7042H Sale priceCHF 406
Clarisse 811145 BlackClarisse 811145 Black
Clarisse 811145 Sale priceCHF 422
Ladivine SF209Ladivine SF209
Ladivine SF209 Sale priceCHF 394
Dancing Queen 4225Dancing Queen 4225
Dancing Queen 4225 Sale priceCHF 261
Ladivine CD668CLadivine CD668C
Ladivine CD668C Sale priceCHF 217
Portia and Scarlett PS26074Portia and Scarlett PS26074
Portia and Scarlett PS26074 Sale priceCHF 509
Faviana 11009Faviana 11009
Faviana 11009 Sale priceCHF 362
Jessica Angel 2397 Baby BlueJessica Angel 2397 Baby Blue
Jessica Angel 2397 Sale priceCHF 383
Elizabeth K GL3502Elizabeth K GL3502
Elizabeth K GL3502 Sale priceCHF 621
Mac Duggal 9251 Black SilverMac Duggal 9251 Black Silver
Mac Duggal 9251 Sale priceCHF 644
Ladivine CZ2408Ladivine CZ2408
Ladivine CZ2408 Sale priceCHF 294

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!