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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3382 LilacGLS by Gloria GL3382 Lilac
GLS by Gloria GL3382 Sale priceCHF 261 Regular priceCHF 522
GLS by Gloria GL3358 LilacGLS by Gloria GL3358 Lilac
GLS by Gloria GL3358 Sale priceCHF 302 Regular priceCHF 603
La Femme - 27854 Quarter Sleeve Floral Lace A-Line Dress In PurpleLa Femme - 27854 Quarter Sleeve Floral Lace A-Line Dress In Purple
La Femme 27854 Sale priceCHF 386 Regular priceCHF 555
Leena Duggal 11639 PlumLeena Duggal 11639 Plum
leena Duggal 11639 Sale priceCHF 440 Regular priceCHF 1,012
Jessica Angel 2467 Neon YellowJessica Angel 2467 Neon Yellow
Jessica Angel 2467 Sale priceCHF 510
Jessica Angel 2429 PlumJessica Angel 2429 Plum
Jessica Angel 2429 Sale priceCHF 510
Portia and Scarlett PS23521 in OrangePortia and Scarlett PS23521
Portia and Scarlett PS23521 Sale priceCHF 334
Alyce Paris 61483 RedAlyce Paris 61483 Red
Alyce Paris 61483 Sale priceCHF 307
GLS by Gloria GL3393 LilacGLS by Gloria GL3393 Lilac
GLS by Gloria GL3393 Sale priceCHF 200 Regular priceCHF 399
La Femme - 27915 Ornate Lace Short Sleeve Long Dress In PinkLa Femme - 27915 Ornate Lace Short Sleeve Long Dress In Blue
La Femme 27915 Sale priceCHF 327 Regular priceCHF 505
Ladivine CDS450 BlueLadivine CDS450 Blue
Ladivine CDS450 Sale priceCHF 158
Ieena Duggal 49648 RedIeena Duggal 49648 Red
Ieena Duggal 49648 Sale priceCHF 391
Alyce Paris 61601 Electric BlueAlyce Paris 61601 Electric Blue
Alyce Paris 61601 Sale priceCHF 325
Alyce Paris 61620 OceanAlyce Paris 61620 Ocean
Alyce Paris 61620 Sale priceCHF 263
Mac Duggal 50709 OrangeMac Duggal 50709 Orange
Mac Duggal 50709 Sale priceCHF 408
GLS by Gloria GL1834 LavenderGLS by Gloria GL1834 Lavender
GLS by Gloria GL1834 Sale priceCHF 332 Regular priceCHF 664
May Queen MQ1885 In PurpleMay Queen MQ1885 In Purple
May Queen MQ1885 Sale priceCHF 179
Andrea And Leo A1303 Smoky BlueAndrea And Leo A1303 Haze Blue
Andrea And Leo A1303 Sale priceCHF 195 Regular priceCHF 405
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 228
GLS by Gloria GL3454 Baby BlueGLS by Gloria GL3454 Baby Blue
GLS by Gloria GL3454 Sale priceCHF 222 Regular priceCHF 443
Andrea And Leo A1231 Dusty RoseAndrea And Leo A1231 Amethyst
Andrea and Leo A1231 Sale priceCHF 246 Regular priceCHF 495
Sold outAlyce Paris 61579 PurpleAlyce Paris 61579 Purple
Alyce Paris 61579 Sale priceCHF 431
GLS by Gloria GL3114 LilacGLS by Gloria GL3114 Lilac
GLS by Gloria GL3114 Sale priceCHF 379 Regular priceCHF 758
Ieena Duggal 49648 Powder BlueIeena Duggal 49648 Powder Blue
Ieena Duggal 49648 Sale Sale priceCHF 209 Regular priceCHF 391
GLS by Gloria GL3398 LilacGLS by Gloria GL3398 Lilac
GLS by Gloria GL3398 Sale priceCHF 261 Regular priceCHF 522
Elizabeth K GL3162 BlackElizabeth K GL3162 Black
Elizabeth K GL3162 Sale priceCHF 240 Regular priceCHF 478
Dancing Queen 4265Dancing Queen 4265
Dancing Queen 4265 Sale priceCHF 179 Regular priceCHF 238
May Queen RQ7942 in BlueMay Queen RQ7942 in Blue
May Queen RQ7942 Sale priceCHF 91 Regular priceCHF 206
GLS by Gloria GL3209 Baby BlueGLS by Gloria GL3209 Baby Blue
GLS by Gloria GL3209 Sale priceCHF 203
Faviana S10847 PurpleFaviana S10847 Purple
Faviana S10847 Sale priceCHF 327
Jovani 24097 GreenJovani 24097 Green
Jovani 24097 Sale priceCHF 576
SCALA 48938 BSCALA 48938 B
SCALA 48938 B Sale priceCHF 334
Faviana S10832 PurpleFaviana S10832 Purple
Faviana S10832 Sale priceCHF 442
Faviana S10809 CobaltFaviana S10809 Cobalt
Faviana S10809 Sale priceCHF 261
Jessica Angel 924 Light PurpleJessica Angel 924 Light Purple
Jessica Angel 924 Sale priceCHF 399
 May Queen RQ8014 PinkMay Queen RQ8014 Pink
May Queen RQ8014 Sale priceCHF 179 Regular priceCHF 273
Clarisse 810530 LilacClarisse 810530 Lilac
Clarisse 810530 Sale priceCHF 543
May Queen RQ7957 GreenMay Queen RQ7957 Green
May Queen RQ7957 Sale priceCHF 224
Elizabeth K GL3127 FuchsiaElizabeth K GL3127 Fuchsia
Elizabeth K GL3127 Sale priceCHF 220 Regular priceCHF 440
Faviana 11007 RoyalFaviana 11007 Royal
Faviana 11007 Sale priceCHF 376
Dancing Queen 4336Dancing Queen 4336
Dancing Queen 4336 Sale priceCHF 202
Alyce Paris 61577 PineAlyce Paris 61577 Pine
Alyce Paris 61577 Sale priceCHF 369
Dancing Queen 4274Dancing Queen 4274
Dancing Queen 4274 Sale priceCHF 134
Ladivine CD0230 RedLadivine CD0230 Sage
Ladivine CD0230 Sale priceCHF 219
GLS by Gloria GL3285 MagentaGLS by Gloria GL3285 Magenta
GLS by Gloria GL3285 Sale priceCHF 180 Regular priceCHF 360
Faviana 11025 Lilacvideowise-widget-6675879ca76a3d00290aacea-9942928785601
Faviana 11025 Sale priceCHF 278
GLS by Gloria GL3296 SageGLS by Gloria GL3296 Sage
GLS by Gloria GL3296 Sale priceCHF 220 Regular priceCHF 440

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!