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Long Formal Party Dresses & Formal Prom Gowns

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GLS by Gloria GL3005 PinkGLS by Gloria GL3005 Pink
GLS by Gloria GL3005 Sale price$297 USD Regular price$1,974 USD
La Femme - 29951 Two Piece Semi-Sweetheart Column Dress In RedLa Femme - 29951 Two Piece Semi-Sweetheart Column Dress In Blue
La Femme 29951 Sale price$70 USD
La Femme - 28863 Sparkling Sequins V Neck Dress In SilverLa Femme - 28863 Sparkling Sequins V Neck Dress In Silver
La Femme 28863 Sale price$438 USD
La Femme 31427 EmeraldLa Femme 31427 Emerald
La Femme 31427 Sale price$298 USD
La Femme - 30607 Sequin Embellished Evening Dress In PinkLa Femme - 30607 Sequin Embellished Evening Dress In Pink
La Femme 30607 Sale price$258 USD
La Femme 32438 SageLa Femme 32438 Sage
La Femme 32438 Sale price$598 USD
Mac Duggal - 10696M Beaded Long Fitted Dress In PinkMac Duggal - 10696M Beaded Long Fitted Dress In Pink
Mac Duggal 10696M Sale price$398 USD
La Femme - 30619 Glittered-Shine Sheath Long Dress In PinkLa Femme - 30619 Glittered-Shine Sheath Long Dress In Pink
La Femme 30619 Sale price$298 USD
Faviana S10638 In PurpleFaviana S10638 In Purple
Faviana S10638 Sale price$378 USD
Ladivine CD0220 Rose GoldLadivine CD0220 Rose Gold
Ladivine CD0220 Sale price$197 USD Regular price$411 USD
La Femme - 30717 Strapless Lace Appliqued Gown In SilverLa Femme - 30717 Strapless Lace Appliqued Gown In Silver
La Femme 30717 Sale price$438 USD
Elizabeth K GL3038 In GreenElizabeth K GL3038 In Green
Elizabeth K GL3038 Sale price$251 USD Regular price$548 USD
La Femme 32012 Royal BlueLa Femme 32012 Royal Blue
La Femme 32012 Sale price$478 USD
La Femme 32107 Dark BerryLa Femme 32107 Dark Berry
La Femme 32107 Sale price$538 USD
Faviana S10507 In WhiteFaviana S10507 In White
Faviana S10507 Sale price$478 USD
La Femme 31221 BlackLa Femme 31221 Black
La Femme 31221 Sale price$438 USD
Ladivine CD2215 RoyalLadivine CD2215 Lavender
Ladivine CD2215 Sale price$88 USD Regular price$195 USD
Ieena Duggal - 26515I Long Sleeve Polkadot Dress In PrintIeena Duggal - 26515I Long Sleeve Polkadot Dress In Print
Ieena Duggal 26515I Sale price$398 USD
Ladivine CD260 Rose GoldLadivine CD260 Rose Gold
Ladivine CD260 Sale price$88 USD Regular price$167 USD
La Femme 32260 Royal BlueLa Femme 32260 Royal Blue
La Femme 32260 Sale price$478 USD
Ladivine CD307 RoyalLadivine CD307 Black
Ladivine CD307 Sale price$189 USD
Ladivine CA109 Red PurpleLadivine CA109 Red Purple
Ladivine CA109 Sale price$98 USD Regular price$187 USD
La Femme 32204 Dark EmeraldLa Femme 32204 Dark Emerald
La Femme 32204 Sale price$416 USD
Ladivine CD258 LavenderLadivine CD258 Gold
Ladivine CD258 Sale price$113 USD Regular price$148 USD
La Femme - 30767 Embroidery And Bead Accented Gown In GreenLa Femme - 30767 Embroidery And Bead Accented Gown In Green
La Femme 30767 Sale price$598 USD
Ladivine CDS438 Smoky BlueLadivine CDS438 Smoky Blue
Ladivine CDS438 Sale price$313 USD
 La Femme 31249 BlackLa Femme 31249 Black
La Femme 31249 Sale price$398 USD
La Femme 32315 JadeLa Femme 32315 Jade
La Femme 32315 Sale price$498 USD
Ladivine CM317 In Grayvideowise-widget-6675879ca76a3d00290aacea-7459496394945
Ladivine CM317 Sale price$153 USD Regular price$363 USD
La Femme 32338 Bright GreenLa Femme 32338 Bright Green
La Femme 32338 Sale price$538 USD
La Femme - 29028 V Neck Fitted Trumpet Dress In PurpleLa Femme - 29028 V Neck Fitted Trumpet Dress In Purple
La Femme 29028 Sale price$350 USD
Clarisse - 800213 Iridescent Glowing Sheath Dress In Pink and SilverClarisse - 800213 Iridescent Glowing Sheath Dress In Pink and Silver
Clarisse 800213 Sale price$298 USD
La Femme 31919 EmeraldLa Femme 31919 Emerald
La Femme 31919 Sale price$318 USD
Ladivine CD980 EmeraldLadivine CD980 Emerald
Ladivine CD980 Sale price$125 USD Regular price$227 USD
La Femme 28770La Femme 28770
La Femme 28770 Sale price$398 USD
La Femme 31375 GreenLa Femme 31375 Green
La Femme 31375 Sale price$278 USD
La Femme 31457 Dark BerryLa Femme 31457 Dark Berry
La Femme 31457 Sale price$378 USD
Andrea and Leo A0767 BlueAndrea and Leo A0767 Blush
Andrea and Leo A0767 Sale price$436 USD Regular price$830 USD
Alyce Paris - 61151 Single Shoulder Beaded Evening Gown In BlueAlyce Paris - 61151 Single Shoulder Beaded Evening Gown In Blue
Alyce Paris 61151 Sale price$138 USD
Ieena Duggal 26715 In WhiteIeena Duggal 26715 In White
Ieena Duggal 26715 Sale price$199 USD Regular price$398 USD
Ladivine CD885 BlackLadivine CD885 Black
Ladivine CD885 Sale price$100 USD Regular price$184 USD
Ladivine B8422 BurgundyLadivine B8422 Black
Ladivine B8422 Sale price$125 USD
La Femme 31298 GreenLa Femme 31298 Green
La Femme 31298 Sale price$258 USD
La Femme 32141 EmeraldLa Femme 32141 Emerald
La Femme 32141 Sale price$478 USD
Faviana S10655 In BlueFaviana S10655 In Blue
Faviana S10655 Sale price$448 USD
Ieena Duggal - 55321I Ruched Sexy Back Flowy Slit Dress In BlueIeena Duggal - 55321I Ruched Sexy Back Flowy Slit Dress In Blue
Ieena Duggal 55321I Sale price$258 USD
GLS by Gloria GL3041 In Gold GLS by Gloria GL3041 In Gold
GLS by Gloria GL3041 Sale price$320 USD Regular price$640 USD
Ladivine CDS470 Dusty Bluevideowise-widget-6675879ca76a3d00290aacea-10110062821569
Ladivine CDS470 Sale price$197 USD Regular price$395 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!