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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 31542 SageLa Femme 31542 Sage
La Femme 31542 Sale priceCHF 323
La Femme 30498 Dark BerryLa Femme 30498 Dark Berry
La Femme 30498 Sale priceCHF 356
La Femme 31425 Hot PinkLa Femme 31425 Hot Pink
La Femme 31425 Sale priceCHF 226
Mac Duggal - 67529D Plunging Neck Embellished Tea Length In BlackMac Duggal - 67529D Plunging Neck Embellished Tea Length In Black
Mac Duggal 67529D Sale priceCHF 495
Mac Duggal - 5445 Cap Sleeve Beaded Mesh Gown In Champagne & GoldMac Duggal - 5445 Cap Sleeve Beaded Mesh Gown In Champagne & Gold
Mac Duggal 5445 Sale priceCHF 484
Ladivine CDS415 NeutralLadivine CDS415 Blue
Ladivine CDS415 Sale priceCHF 115 Regular priceCHF 228
Ladivine CC1608 RoseLadivine CC1608 Rose
Ladivine CC1608 Sale priceCHF 173 Regular priceCHF 410
La Femme 31939 LavenderLa Femme 31939 Lavender
La Femme 31939 Sale priceCHF 485
La Femme 32218 BlackLa Femme 32218 Black
La Femme 32218 Sale priceCHF 566
La Femme 32019 BlackLa Femme 32019 Black
La Femme 32019 Sale priceCHF 517
La Femme 30714 EmeraldLa Femme 30714 Emerald
La Femme 30714 Sale priceCHF 242
La Femme 32328 Hot PinkLa Femme 32328 Hot Pink
La Femme 32328 Sale priceCHF 387
La Femme 31570 Light PeriwinkleLa Femme 31570 Light Periwinkle
La Femme 31570 Sale priceCHF 452
Ieena Duggal - 26540I V-Neck Embellished Shoulders A-Line Gown In BlackIeena Duggal - 26540I V-Neck Embellished Shoulders A-Line Gown In Black
Ieena Duggal 26540I Sale priceCHF 469 Regular priceCHF 693
Mac Duggal - 5501 Bishop Sleeve Sequin Gown In NeutralMac Duggal - 5501 Bishop Sleeve Sequin Gown In Neutral
Mac Duggal 5501 Sale priceCHF 521 Regular priceCHF 1,076
La Femme 28294 EmeraldLa Femme 28294 Wine
La Femme 28294 Sale priceCHF 291
La Femme 30768 AquamarineLa Femme 30768 Aquamarine
La Femme 30768 Sale priceCHF 226
La Femme 32023 NavyLa Femme 32023 Navy
La Femme 32023 Sale priceCHF 517
La Femme 32076 Dark WineLa Femme 32076 Dark Wine
La Femme 32076 Sale priceCHF 323
Ladivine CH111 GreenLadivine CH111 Pink
Ladivine CH111 Sale priceCHF 108 Regular priceCHF 224
La Femme - 30371 Sequined Colorful Scoop Dress In MultiLa Femme - 30371 Sequined Colorful Scoop Dress In Multi
La Femme 30371 Sale priceCHF 226
La Femme 29653 NavyLa Femme 29653 Navy
La Femme 29653 Sale priceCHF 242
La Femme 32097 NudeLa Femme 32097 Nude
La Femme 32097 Sale priceCHF 404
La Femme 32032 Cloud BlueLa Femme 32032 Cloud Blue
La Femme 32032 Sale priceCHF 485
La Femme 32258 BlackLa Femme 32258 Black
La Femme 32258 Sale priceCHF 356
videowise-widget-6675879ca76a3d00290aacea-10036508131521La Femme 32230 Black
La Femme 32230 Sale priceCHF 387
La Femme 30477 GoldLa Femme 30477 Gold
La Femme 30477 Sale priceCHF 258
La Femme 31504 PinkLa Femme 31504 Pink
La Femme 31504 Sale priceCHF 209
La Femme 31285 RedLa Femme 31285 Red
La Femme 31285 Sale priceCHF 387
La Femme 32053 SageLa Femme 32053 Sage
La Femme 32053 Sale priceCHF 436
Ladivine CD992 BlackLadivine CD992 Lavender
Ladivine CD992 Sale priceCHF 152 Regular priceCHF 325
Ladivine - CH182 Allover Sequin One Shoulder Sheath Dress In Champagne and GoldLadivine - CH182 Allover Sequin One Shoulder Sheath Dress In Red
Ladivine CH182 Sale priceCHF 157 Regular priceCHF 228
La Femme 32344 SageLa Femme 32344 Sage
La Femme 32344 Sale priceCHF 485
La Femme 31333 EmeraldLa Femme 31333 Emerald
La Femme 31333 Sale priceCHF 242
Ladivine CB046 Smoky BlueLadivine CB046 Rose Gold
Ladivine CB046 Sale priceCHF 253 Regular priceCHF 289
La Femme 31138 Dark BerryLa Femme 31138 Dark Berry
La Femme 31138 Sale priceCHF 323
GLS by Gloria GL3008 In NeutralGLS by Gloria GL3008 In Neutral
GLS by Gloria GL3008 Sale priceCHF 297 Regular priceCHF 593
La Femme 32269 RedLa Femme 32269 Red
La Femme 32269 Sale priceCHF 387
Ladivine CD0176 BurgundyLadivine CD0176 Champagne Gold
Ladivine CD0176 Sale priceCHF 163
La Femme 32201 Dark EmeraldLa Femme 32201 Dark Emerald
La Femme 32201 Sale priceCHF 291
Ladivine Y030 RedLadivine Y030 Red
Ladivine Y030 Sale priceCHF 68 Regular priceCHF 157
Ladivine CH235 In PinkLadivine CH235 In Royal
Ladivine CH235 Sale priceCHF 101 Regular priceCHF 204
La Femme 32306 Dark EmeraldLa Femme 32306 Dark Emerald
La Femme 32306 Sale priceCHF 387
Ladivine KV1063 Neon FuchsiaLadivine KV1063 Neon Fuchsia
Ladivine KV1063 Sale priceCHF 77 Regular priceCHF 163
Atria - 6306H Scoop Open Back Evening Gown In BlueAtria - 6306H Scoop Open Back Evening Gown In Blue
Atria 6306H Sale priceCHF 358
Dancing Queen 4292 In BlueDancing Queen 4292 In Blue
Dancing Queen 4292 Sale priceCHF 199
La Femme 31201 MauveLa Femme 31201 Mauve
La Femme 31201 Sale priceCHF 356
La Femme - 29001 Sleeveless Sequined High Slit Dress In Coral & OrangeLa Femme - 29001 Sleeveless Sequined High Slit Dress In Red
La Femme 29001 Sale priceCHF 356

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!