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Long Formal Party Dresses & Formal Prom Gowns

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La Femme 31996 LavenderLa Femme 31996 Lavender
La Femme 31996 Sale price$598 USD
La Femme 31069 Dark BerryLa Femme 31069 Dark Berry
La Femme 31069 Sale price$358 USD
Faviana 9498 Steel BlueFaviana 9498 Steel Blue
Faviana 9498 Sale price$398 USD
Ladivine SF009 Fog GreyLadivine SF009 Fog Grey
Ladivine SF009 Sale price$249 USD
La Femme 32149 White/NudeLa Femme 32149 White/Nude
La Femme 32149 Sale price$518 USD
La Femme 32135 Dark EmeraldLa Femme 32135 Dark Emerald
La Femme 32135 Sale price$478 USD
La Femme 32341 Neon PinkLa Femme 32341 Neon Pink
La Femme 32341 Sale price$398 USD
Ladivine CD0154 Smoky Blue videowise-widget-6675879ca76a3d00290aacea-7492555538625
Ladivine CD0154 Sale priceFrom $129
La Femme 32051 BlackLa Femme 32051 Black
La Femme 32051 Sale price$598 USD
La Femme 31472 SlateLa Femme 31472 Slate
La Femme 31472 Sale price$598 USD
La Femme 32253 Dark BerryLa Femme 32253 Dark Berry
La Femme 32253 Sale price$598 USD
La Femme 32111 Cloud BlueLa Femme 32111 Cloud Blue
La Femme 32111 Sale price$638 USD
La Femme 31525 BlackLa Femme 31525 Black
La Femme 31525 Sale price$598 USD
Ladivine CD830 GreeneryLadivine CD830 Greenery
Ladivine CD830 Sale price$300 USD
La Femme 31238 Dusty MauveLa Femme 31238 Dusty Mauve
La Femme 31238 Sale price$378 USD
La Femme 32293 Light PeriwinkleLa Femme 32293 Light Periwinkle
La Femme 32293 Sale price$498 USD
Ladivine CD806 BlackLadivine CD806 Black
Ladivine CD806 Sale price$154 USD Regular price$363 USD
La Femme 32349 Light PeriwinkleLa Femme 32349 Light Periwinkle
La Femme 32349 Sale price$598 USD
La Femme 32028 Light PeriwinkleLa Femme 32028 Light Periwinkle
La Femme 32028 Sale price$558 USD
La Femme 32303 Dark BerryLa Femme 32303 Dark Berry
La Femme 32303 Sale price$498 USD
La Femme 31394 Neon PinkLa Femme 31394 Neon Pink
La Femme 31394 Sale price$498 USD
La Femme 32145 Light PeriwinkleLa Femme 32145 Light Periwinkle
La Femme 32145 Sale price$638 USD
La Femme 32020 IndigoLa Femme 32020 Indigo
La Femme 32020 Sale price$598 USD
La Femme 32090 LavenderLa Femme 32090 Lavender
La Femme 32090 Sale price$598 USD
La Femme 32030 BlackLa Femme 32030 Black
La Femme 32030 Sale price$498 USD
Ladivine CD0217C AmethystLadivine CD0217C Amethyst
Ladivine CD0217C Sale price$132 USD Regular price$296 USD
La Femme 32057 Slate BlueLa Femme 32057 Slate Blue
La Femme 32057 Sale price$538 USD
La Femme 31381 NavyLa Femme 31381 Navy
La Femme 31381 Sale price$598 USD
La Femme 32059 Royal BlueLa Femme 32059 Royal Blue
La Femme 32059 Sale price$498 USD
Ladivine CB080 EmeraldLadivine CB080 In Pink
Ladivine CB080 Sale price$298 USD
La Femme 31986 Electric BlueLa Femme 31986 Electric Blue
La Femme 31986 Sale price$478 USD
La Femme 31367 Light PeriwinkleLa Femme 31367 Light Periwinkle
La Femme 31367 Sale price$498 USD
Sold outLadivine CC2349C EmeraldLadivine CC2349C Emerald
Ladivine CC2349C Sale price$159 USD
La Femme 31936 NavyLa Femme 31936 Navy
La Femme 31936 Sale price$598 USD
La Femme 32291 PurpleLa Femme 32291 Purple
La Femme 32291 Sale price$598 USD
Clarisse 800309 PlumClarisse 800309 Plum
Clarisse 800309 Sale price$498 USD
La Femme 32002 Royal BlueLa Femme 32002 Royal Blue
La Femme 32002 Sale price$698 USD
La Femme 31147 RedLa Femme 31147 Red
La Femme 31147 Sale price$378 USD
Elizabeth K GL3549 Baby PinkElizabeth K GL3549 Baby Pink
Elizabeth K GL3549 Sale price$1,047 USD
Sold outAndrea and Leo A1348 English VioletAndrea and Leo A1348 English Violet
Andrea and Leo A1348 Sale price$298 USD
La Femme - 30755 Tulle Embroidered Sweetheart Dress In PinkLa Femme - 30755 Tulle Embroidered Sweetheart Dress In Pink
La Femme 30755 Sale price$398 USD
La Femme 32528 Dusty BlueLa Femme 32528 Dusty Blue
La Femme 32528 Sale price$598 USD
La Femme 32716 CreamLa Femme 32716 Cream
La Femme 32716 Sale price$470 USD
GLS by Gloria GL3135 Baby BlueGLS by Gloria GL3135 Baby Blue
GLS by Gloria GL3135 Sale price$343 USD Regular price$456 USD
La Femme 31204 in PurpleLa Femme 31204 in Purple
La Femme 31204 Sale price$358 USD
Mac Duggal 20405 In BlackMac Duggal 20405 In Black
Mac Duggal 20405 Sale price$798 USD
Mayqueen RQ7864 long royal blue off shoulder sequin top evening gown. Full length flowy dress w/ tulle skirt is perfect for  enagagement/e-shoot dress, sweet 16, debut, formal evening party dress, prom, engagement, wedding reception. Plus sizes avail.jpgMayqueen RQ7864 long royal blue off shoulder sequin top evening gown. Full length flowy dress w/ tulle skirt is perfect for  enagagement/e-shoot dress,sweet 16, debut, formal evening party dress, prom, engagement, wedding reception. Plus sizes avail-b.jpg
May Queen RQ7864 Sale price$129 USD Regular price$316 USD
Elizabeth K GL1974Elizabeth K GL1974
Elizabeth K GL1974 Sale price$537 USD Regular price$1,194 USD

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!