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Long Formal Party Dresses & Formal Prom Gowns

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3365 Item

May Queen RQ7941 MauveMay Queen RQ7941 Mauve
May Queen RQ7941 Sale priceCHF 115 Regular priceCHF 134
Faviana 11020 Dark EmeraldFaviana 11020 Dark Emerald
Faviana 11020 Sale priceCHF 360
Faviana 11031 HunterFaviana 11031 Hunter
Faviana 11031 Sale priceCHF 393
Mac Duggal 9148 PinkMac Duggal 9148 Pink
Mac Duggal A9148 Sale priceCHF 322 Regular priceCHF 404
Clarisse 810431 Bubblegum PinkClarisse 810431
Clarisse 810431 Sale priceCHF 316
Mac Duggal - 20245 Enchanting Tulle Floral Long Gown In SilverMac Duggal - 20245 Enchanting Tulle Floral Long Gown In Silver
Mac Duggal 20245 Sale priceCHF 490
Clarisse 810725 Shimmer SageClarisse 810725 Shimmer Sage
Clarisse 810725 Sale priceCHF 371
Mac Duggal 93591Mac Duggal 93591
Mac Duggal 93591 Sale priceCHF 408
May Queen MQ2120May Queen MQ2120 Black
May Queen MQ2120 Sale priceCHF 155 Regular priceCHF 287
Elizabeth K GL3082 PinkElizabeth K GL3082 Pink
Elizabeth K GL3082 Sale priceCHF 200 Regular priceCHF 400
Mac Duggal 68513 BlackMac Duggal 68513 Black
Mac Duggal 68513 Sale priceCHF 409
GLS by Gloria GL3256 ChampagneGLS by Gloria GL3256 Champagne
GLS by Gloria GL3256 Sale priceCHF 262 Regular priceCHF 522
Alyce Paris 61716 BlackAlyce Paris 61716 Black
Alyce Paris 61716 Sale priceCHF 264
GLS by Gloria GL3436 PurpleGLS by Gloria GL3436 Purple
GLS by Gloria GL3436 Sale priceCHF 181 Regular priceCHF 361
Andrea and Leo A1117 Lavendervideowise-widget-6675879ca76a3d00290aacea-7602011209921
Andrea and Leo A1117 Sale priceCHF 214 Regular priceCHF 437
Mac Duggal 68431 Antique RoseMac Duggal 68431 Antique Rose
Mac Duggal 68431 Sale priceCHF 409
Alyce Paris 61666 BubblegumAlyce Paris 61666 Bubblegum
Alyce Paris 61666 Sale priceCHF 378
Mac Duggal 67852 BlueMac Duggal 67852 Blue
Mac Duggal 67852 Sale priceCHF 441
GLS by Gloria GL3252 Smoky Blue/PeachGLS by Gloria GL3252 Smoky Blue/Peach
GLS by Gloria GL3252 Sale priceCHF 262 Regular priceCHF 522
GLS by Gloria GL3410 LilacGLS by Gloria GL3410 Lilac
GLS by Gloria GL3410 Sale priceCHF 281 Regular priceCHF 562
Alyce Paris 61723 RaspberryAlyce Paris 61723 Raspberry
Alyce Paris 61723 Sale priceCHF 378
SCALA 48965 Banana MultiSCALA 48965 Banana Multi
SCALA 48965 Sale priceCHF 411
SCALA 61322 Rust SilverSCALA 61322 Rust Silver
SCALA 61322 Sale priceCHF 367
Elizabeth K GL3125 EmeraldElizabeth K GL3125 Emerald
Elizabeth K GL3125 Sale priceCHF 197 Regular priceCHF 394
Ladivine CA112Ladivine CA112
Ladivine CA112 Sale priceCHF 199
Faviana 11040Faviana 11040
Faviana 11040 Sale priceCHF 311
May Queen LK171 PurpleMay Queen LK171 Purple
May Queen LK171 Sale priceCHF 289 Regular priceCHF 316
Ieena Duggal 56035 PurpleIeena Duggal 56035 Purple
Ieena Duggal 56035 Sale priceCHF 327
SCALA 61312 Bright EmeraldSCALA 61312 Bright Emerald
SCALA 61312 Sale priceCHF 451
Alyce Paris 61703 BlackAlyce Paris 61703 Black
Alyce Paris 61703 Sale priceCHF 316
Clarisse 810814 BlushClarisse 810814
Clarisse 810814 Sale priceCHF 457
Ladivine 7435WLadivine 7435W
Ladivine 7435W Sale priceCHF 155
Ladivine T707Ladivine T707
Ladivine T707 Sale priceCHF 104
Portia and Scarlett PS26400CPortia and Scarlett PS26400C
Portia and Scarlett PS26400C Sale priceCHF 664
Portia and Scarlett PS26043Portia and Scarlett PS26043
Portia and Scarlett PS26043 Sale priceCHF 529
Dancing Queen 4295ADancing Queen 4295A
Dancing Queen 4295A Sale priceCHF 134 Regular priceCHF 193
Alyce Paris 61687 Black/MultiAlyce Paris 61687 Black/Multi
Alyce Paris 61687 Sale priceCHF 590
Portia and Scarlett PS25609E
Portia and Scarlett PS25609E Sale priceCHF 836
Elizabeth K GL2513Elizabeth K GL2513
Elizabeth K GL2513 Sale priceCHF 484 Regular priceCHF 966
Faviana S10851 BlackFaviana S10851 Black
Faviana S10851 Sale priceCHF 409
Mac Duggal 93749 In GreenMac Duggal 93749 In Green
Mac Duggal 93749 Sale priceCHF 408
GLS by Gloria GL2885 ChampagneGLS by Gloria GL2885 Champagne
GLS by Gloria GL2885 Sale priceCHF 313 Regular priceCHF 624
Mac Duggal 5240 PlatinumMac Duggal 5240 Platinum
Mac Duggal 5240 Sale priceCHF 353
Mac Duggal 5759Mac Duggal 5759
Mac Duggal 5759 Sale Sale priceCHF 267 Regular priceCHF 510
leena Duggal 26710 Wineleena Duggal 26710 Wine
leena Duggal 26710 Sale priceCHF 289
Faviana E11026 Black/MultiFaviana E11026 Black/Multi
Faviana E11026 Sale priceCHF 327
Faviana S10803 PinkFaviana S10803 Pink
Faviana S10803 Sale priceCHF 442
Andrea and Leo A1142 BlueAndrea and Leo A1142 Blue
Andrea and Leo A1142 Sale priceCHF 175 Regular priceCHF 366

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!