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Long Formal Party Dresses & Formal Prom Gowns

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La Femme - 29003 Deep V-Neck Sequined Jumpsuit In BlackLa Femme - 29003 Deep V-Neck Sequined Jumpsuit In Red
La Femme 29003 Sale priceCHF 322
May Queen RQ7979 BlueMay Queen RQ7979 Blue
MF79799-MF Sale priceCHF 231 Regular priceCHF 310
Jessica Angel 850 Dark GreenJessica Angel 850 Dark Green
Jessica Angel 850 Sale priceCHF 447
MF7097-MFMF7097-MF
MF7097-MF Sale priceCHF 173
Mac Duggal - 67529D Plunging Neck Embellished Tea Length In BlackMac Duggal - 67529D Plunging Neck Embellished Tea Length In Black
Mac Duggal 67529D - MF Sale priceCHF 492
Ladivine J875 BurgundyLadivine J875 Black
MF8795 - MF Sale priceCHF 231
Ladivine CD0234 EmeraldLadivine CD0234 English Violet
MF02394 - MF Sale priceCHF 289
MF7192-MFMF7192-MF
MF7192-MF Sale priceCHF 173
Jessica Angel SP366 CharcoalJessica Angel SP366
Jessica Angel SP366 Sale priceCHF 356
Jessica Angel 2318 RedJessica Angel 2318 Red
Jessica Angel 2318 Sale priceCHF 383
Ladivine J881 NavyLadivine J881 Black
MFJ8891-MF Sale priceCHF 301
Elizabeth K GL3068 In GoldElizabeth K GL3068 In Gold
Elizabeth K GL3068 Sale priceCHF 200
Jessica Angel 950 Neon PinkJessica Angel 950 Neon Pink
Jessica Angel 950 Sale priceCHF 356
Jessica Angel 839 RedJessica Angel 839 Red
Jessica Angel 839 Sale priceCHF 410
Portia and Scarlett PS22244 in BluePortia and Scarlett PS22244 in Blue
Portia and Scarlett PS22244 Sale priceCHF 191 Regular priceCHF 493
Clarisse 62326-MFClarisse 62326-MF
Clarisse 62326-MF Sale priceCHF 437
Mac Duggal Evening - 49515D High Halter Bow Ornate Dress In BlueMac Duggal Evening - 49515D High Halter Bow Ornate Dress In Blue
Mac Duggal 49515D - MF Sale priceCHF 220 Regular priceCHF 463
Jovani 38707 - MF Sale priceCHF 637
Jessica Angel 578 PinkJessica Angel 578 Pink
Jessica Angel 578 Sale priceCHF 356
Jessica Angel 957 RedJessica Angel 957 Red
Jessica Angel 957 Sale priceCHF 502
Clarisse 810600 GreenClarisse 810600 Green
Clarisse 810600 Sale priceCHF 475
Portia and Scarlett PS25243 FuchsiaPortia and Scarlett PS25243 Fuchsia
Sold outPrimavera 4335Primavera 4335
Primavera 4335-MF Sale priceCHF 411
Jessica Angel 431 Classic BlueJessica Angel 431 Classic Blue
Jessica Angel 431 Sale priceCHF 265
Mac Duggal 93547 In OrangeMac Duggal 93547 In Orange
Mac Duggal 93547 Sale priceCHF 369
Jessica Angel 853 EggplantJessica Angel 853 Eggplant
Jessica Angel 853 Sale priceCHF 320
Primavera 4591Primavera 4591
Primavera 4591-MF Sale priceCHF 248
Jessica Angel 811 BlueJessica Angel 811 Blue
Jessica Angel 811 Sale priceCHF 383
Ladivine CD297 RedLadivine CD297 Red
MF2997-MF Sale priceCHF 243 Regular priceCHF 289
Elizabeth K GL3521 Royal BlueElizabeth K GL3521 Royal Blue
MF35291-MF Sale priceCHF 1,090
Mac Duggal - 4316D Long Sleeve Fully Embellished Column Gown In BlackMac Duggal - 4316D Long Sleeve Fully Embellished Column Gown In Silver & Gray
Mac Duggal 4316D - MF Sale priceFrom CHF 434 Regular priceCHF 551
Faviana 9608Faviana 9608
Faviana 9608 - MF Sale priceCHF 402
videowise-widget-6675879ca76a3d00290aacea-4640184238177La Femme - 27982 Off Shoulder Fitted Faux Wrap Bodice Lace Dress In Silver & Gray
La Femme 27982 Sale priceCHF 289 Regular priceCHF 415
Jessica Angel 559 BlackJessica Angel 559 Black
Jessica Angel 559 Sale priceCHF 356
Jessica Angel 2383 LavenderJessica Angel 2383 Lavender
Jessica Angel 2383 Sale priceCHF 429
Jessica Angel 453 HunterJessica Angel 453 Hunter
Jessica Angel 453 Sale priceCHF 410
Jessica Angel 2349 LavenderJessica Angel 2349 Lavender
Jessica Angel 2349 Sale priceCHF 410
Clarisse 811169 BlackClarisse 811169 Black
Clarisse 811169 Sale priceCHF 369
Portia and Scarlett PS26012-MFPortia and Scarlett PS26012-MF
May Queen LK264 RedMay Queen LK264 Red
MF2694-MF Sale priceCHF 532
Ladivine SF009 Fog GreyLadivine SF009 Fog Grey
MF0099-MF Sale priceCHF 272
Jovani 43569-MF Sale priceCHF 361
Elizabeth K GL3519 SilverElizabeth K GL3519 Silver
MF35199-MF Sale priceCHF 882
Ladivine CD989 Dark MauveLadivine CD989 Dark Mauve
Ladivine CD989 Sale priceCHF 114 Regular priceCHF 233
Jessica Angel 803 RedJessica Angel 803 Red
Jessica Angel 803 Sale priceCHF 356
Jessica Angel 789 RedJessica Angel 789 Red
Jessica Angel 789 Sale priceCHF 447
Jessica Angel 825 Gold SilverJessica Angel 825 Gold Silver
Jessica Angel 825 Sale priceCHF 320

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!