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Long Formal Party Dresses & Formal Prom Gowns

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Andrea And Leo A1303 Smoky BlueAndrea And Leo A1303 Haze Blue
Andrea And Leo A1303 Sale priceCHF 195 Regular priceCHF 405
La Femme 31284 BlueLa Femme 31284 Blue
La Femme 31284 Sale priceCHF 393
Dancing Queen 1685Dancing Queen 1685
Dancing Queen 1685 Sale priceCHF 312 Regular priceCHF 538
May Queen MQ186 In PinkMay Queen MQ186 In Pink
May Queen MQ1866 Sale priceCHF 95 Regular priceCHF 229
Ladivine CDS409C In MauveLadivine CDS409C In Mauve
Ladivine CDS409C Sale priceCHF 145
Dancing Queen 4273 In YellowDancing Queen 4273 In Yellow
Dancing Queen 4273 Sale priceCHF 273
Mac Duggal 8005 Slate BlueMac Duggal 8005 Slate Blue
Mac Duggal 8005 Sale priceCHF 655
La Femme 32760 Dark BerryLa Femme 32760 Black
La Femme 32760 Sale priceCHF 386
Mac Duggal - 20389 Feather Adorned Gown In Pink and NeutralMac Duggal - 20389 Feather Adorned Gown In Pink and Neutral
Mac Duggal 20389 Sale priceCHF 655
Mac Duggal 49716 SageMac Duggal 49716 Sage
Mac Duggal 49716 Sale priceCHF 409
GLS by Gloria GL3454 Baby BlueGLS by Gloria GL3454 Baby Blue
GLS by Gloria GL3454 Sale priceCHF 222 Regular priceCHF 443
Ladivine 15705 Burgundy GoldLadivine 15705 Burgundy Gold
Ladivine 15705 Sale priceCHF 652
Portia and Scarlett PS26253Portia and Scarlett PS26253
Portia and Scarlett PS26253 Sale priceCHF 711
Faviana 9557 Spring/PinkFaviana 9557 Spring/Pink
Faviana 9557 Sale priceCHF 327
Andrea and Leo A1336 CreamAndrea and Leo A1336 Cream
Andrea and Leo A1336 Sale priceCHF 300
Mac Duggal 67966 In Purple MultiMac Duggal 67966 In Purple Multi
Mac Duggal 67966 Sale priceCHF 408
Ieena Duggal - 48924I V Front And Back Fitted Bodice A-Line Gown In RedIeena Duggal - 48924I V Front And Back Fitted Bodice A-Line Gown In Red
Ieena Duggal 48924 Sale priceCHF 326
Portia and Scarlett PS26079Portia and Scarlett PS26079
Portia and Scarlett PS26079 Sale priceCHF 570
La Femme 32810 Light BlueLa Femme 32810 Light Blue
La Femme 32810 Sale priceCHF 386
GLS by Gloria GL3311 Hot PinkGLS by Gloria GL3311 Hot Pink
GLS by Gloria GL3311 Sale priceCHF 281 Regular priceCHF 562
GLS by Gloria GL3398 LilacGLS by Gloria GL3398 Lilac
GLS by Gloria GL3398 Sale priceCHF 261 Regular priceCHF 522
La Femme - 29045 Sequined Deep V Neck Tulle A-Line Gown In GreenLa Femme - 29045 Sequined Deep V Neck Tulle A-Line Gown In Red
La Femme 29045 Sale priceCHF 360
La Femme 32781 BlackLa Femme 32781 Black
La Femme 32781 Sale priceCHF 458
Elizabeth K GL3548 PurpleElizabeth K GL3548 Purple
Elizabeth K GL3548 Sale priceCHF 940
GLS by Gloria GL3209 Baby BlueGLS by Gloria GL3209 Baby Blue
GLS by Gloria GL3209 Sale priceCHF 203
Ladivine OC008 Dusty RoseLadivine OC008 Dusty Rose
Ladivine OC008 Sale priceCHF 166 Regular priceCHF 240
Andrea and Leo A0770 LemonAndrea and Leo A0770 Lemon
Andrea and Leo A0770 Sale priceCHF 175 Regular priceCHF 350
Portia and Scarlett PS26117Portia and Scarlett PS26117
Portia and Scarlett PS26117 Sale priceCHF 741
Mac Duggal 5991 Slate BlueMac Duggal 5991 Slate Blue
Mac Duggal 5991 Sale priceCHF 646
Ieena Duggal 68113 In BlackIeena Duggal 68113 In Black
Ieena Duggal 68113 Sale priceCHF 408
Elizabeth K GL2600Elizabeth K GL2600
Elizabeth K GL2600 Sale priceCHF 510 Regular priceCHF 1,019
Elizabeth K GL3517 Baby BlushElizabeth K GL3517 Baby Blush
Elizabeth K GL3517 Sale priceCHF 1,045
Portia and Scarlett PS26027Portia and Scarlett PS26027
Portia and Scarlett PS26027 Sale priceCHF 1,275
May Queen LK247 Baby Blue MultiMay Queen LK247 Baby Blue Multi
May Queen LK247 Sale priceCHF 430 Regular priceCHF 882
Andrea and Leo A1053WAndrea and Leo A1053W
Andrea and Leo A1053W Sale priceCHF 495
Portia and Scarlett PS26188Portia and Scarlett PS26188
Portia and Scarlett PS26188 Sale priceCHF 529
GLS by Gloria GL3464 Baby BlueGLS by Gloria GL3464 Baby Blue
GLS by Gloria GL3464 Sale priceCHF 259 Regular priceCHF 516
Alyce Paris 61957 ChampagneAlyce Paris 61957 Champagne
Alyce Paris 61957 Sale priceCHF 390
Alyce Paris 61570 EmeraldAlyce Paris 61570 Emerald
Alyce Paris 61570 Sale priceCHF 528
Mac Duggal - 20262 Bell Sleeve Embroidered A-Line Gown In PinkMac Duggal - 20262 Bell Sleeve Embroidered A-Line Gown In Pink
Mac Duggal 20262 Sale priceCHF 655
Andrea and Leo A1176 BlushAndrea and Leo A1176 Blush
Andrea and Leo A1176 Sale priceCHF 785
Clarisse 811334 BlackClarisse 811334 Black
Clarisse 811334 Sale priceCHF 502
May Queen RQ7957 GreenMay Queen RQ7957 Green
May Queen RQ7957 Sale priceCHF 224
Andrea and Leo A1261 Dusty SageAndrea and Leo A1261 Dusty Sage
Andrea and Leo A1261 Sale priceCHF 195 Regular priceCHF 443
Mac Duggal - 48855I Sleeveless Fitted Bodice A-Line Dress In BlueMac Duggal - 48855I Sleeveless Fitted Bodice A-Line Dress In Blue
Mac Duggal 48855 Sale priceCHF 326
Mac Duggal 68780 Black MultiMac Duggal 68780 Black Multi
Mac Duggal 68780 Sale priceCHF 705 Regular priceCHF 1,071
La Femme 29070 In BlackLa Femme 29070 In Black
La Femme 29070 Sale priceCHF 442
Ladivine B708 SilverLadivine B708 Silver
Ladivine B708 Sale priceCHF 294 Regular priceCHF 518

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!