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Long Formal Party Dresses & Formal Prom Gowns

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Ladivine CD275 BlackLadivine CD275 Black
Ladivine CD275 Sale price$154 USD Regular price$368 USD
Ladivine CD962 MauveLadivine CD962 Mauve
Ladivine CD962 Sale price$279 USD
La Femme 30637 Pink and OrangeLa Femme 30637 Pink and Orange
La Femme 30637 Sale price$438 USD
Mac Duggal 68094 In PinkMac Duggal 68094 In Pink
Mac Duggal 68094 Sale price$598 USD
Elizabeth K GL1960Elizabeth K GL1960
Elizabeth K GL1960 Sale price$837 USD Regular price$1,134 USD
Elizabeth K GL3541 LilacElizabeth K GL3541 Lilac
Elizabeth K GL3541 Sale price$807 USD
Elizabeth K GL2514Elizabeth K GL2514
Elizabeth K GL2514 Sale price$550 USD
Jovani23577 BlueMulti_2Jovani23577BlueMulti Back
Jovani 23577 Sale price$790 USD
Mac Duggal 11832 BlackMac Duggal 11832 Black
Mac Duggal 11832 Sale price$598 USD
Elizabeth K GL1957 Rose GoldElizabeth K GL1957 Rose Gold
Elizabeth K GL1957 Sale price$807 USD
May Queen RQ7913 In BlackMay Queen RQ7913 In Black
May Queen RQ7913 Sale price$106 USD Regular price$259 USD
Elizabeth K GL3525 BlueElizabeth K GL3525 Blue
Elizabeth K GL3525 Sale price$1,077 USD
La Femme 32725 Arctic BlueLa Femme 32725 Blush
La Femme 32725 Sale price$598 USD
GLS by Gloria GL3118GLS by Gloria GL3118
GLS by Gloria GL3118 Sale price$343 USD Regular price$548 USD
Mac Duggal 20402 In WhiteMac Duggal 20402 In White
Mac Duggal 20402 Sale price$399 USD Regular price$798 USD
Mac Duggal 42098 MochaMac Duggal 42098 Navy
Mac Duggal 42098 Sale price$998 USD
Mac Duggal 9192 MidnightMac Duggal 9192 Mulberry
Mac Duggal 9192 Sale price$798 USD
Andrea and Leo A1235 Dusty BlueAndrea and Leo A1235 Dusty Blue
Andrea and Leo A1235 Sale price$670 USD
Mac Duggal 79365 In PinkMac Duggal 79365 In Pink
Mac Duggal 79365 Sale price$698 USD
May Queen LK191 LilacMay Queen LK191 Lilac
May Queen LK191 Sale price$297 USD Regular price$594 USD
Elizabeth K GL2510Elizabeth K GL2510
Elizabeth K GL2510 Sale price$417 USD Regular price$1,238 USD
Alyce Paris 61913 MultiAlyce Paris 61913 Multi
Alyce Paris 61913 Sale price$798 USD
La Femme - 28470 Floral Lace Tulle Slit A-Line Gown In MauveLa Femme - 28470 Floral Lace Tulle Slit A-Line Gown In Pink
La Femme 28470 Sale price$498 USD
Elizabeth K GL3521 Royal BlueElizabeth K GL3521 Royal Blue
Elizabeth K GL3521 Sale price$1,257 USD
La Femme 33028 Light BlueLa Femme 33028 Light Blue
La Femme 33028 Sale price$470 USD
May Queen LK267 Black GoldMay Queen LK267 Black Gold
May Queen LK267 Sale price$825 USD
Portia and Scarlett PS25336 PinkPortia and Scarlett PS25336 Black
Portia and Scarlett PS25336 Sale price$658 USD
Faviana 11028 Black/SunburstFaviana 11028 Black/Sunburst
Faviana 11028 Sale price$498 USD
La Femme 30697 In PurpleLa Femme 30697
La Femme 30697 Sale price$70 USD
La Femme 32690 BlackLa Femme 32690 Black
La Femme 32690 Sale price$478 USD
Ladivine CD0182 In PinkLadivine CD0182 In Blue
Ladivine CD0182 Sale price$132 USD Regular price$317 USD
Andrea and Leo A1237 LavenderAndrea and Leo A1237 Paris Blue
Andrea and Leo A1237 Sale price$218 USD Regular price$459 USD
Mac Duggal 20405 In PurpleMac Duggal 20405 In Purple
Mac Duggal 20405 Sale Sale price$399 USD Regular price$798 USD
Ladivine C159WLadivine C159W
Ladivine C159W Sale price$399 USD
Ladivine CD0177 MauveLadivine CD0177 Mauve
Ladivine CD0177 Sale price$88 USD Regular price$179 USD
Clarisse 811003 Royal MultiClarisse 811003 Royal Multi
Clarisse 811003 Sale price$450 USD
Jovani 08536 in PurpleJovani 08536 in Purple
Jovani 08536 Sale price$700 USD
Elizabeth K GL2515Elizabeth K GL2515
Elizabeth K GL2515 Sale price$717 USD
Andrea and Leo A1286 LavenderAndrea and Leo A1286 Lavender
Andrea and Leo A1286 Sale price$218 USD Regular price$511 USD
Ladivine J840 Rose GoldLadivine J840 Navy
Ladivine J840 Sale price$82 USD Regular price$169 USD
La Femme - 29964 Plunging Neck Lace Tulle Long Dress In PinkLa Femme - 29964 Plunging Neck Lace Tulle Long Dress In Pink
La Femme 29964 Sale price$398 USD
Elizabeth K GL1930 BurgundyElizabeth K GL1930 Burgundy
Elizabeth K GL1930 Sale price$657 USD
Mac Duggal 79430 Slate BlueMac Duggal 79430 Slate Blue
Mac Duggal 79430 Sale price$798 USD
Sold outAndrea and Leo A1251 NavyAndrea and Leo A1251 Navy
Andrea and Leo A1251 Sale price$297 USD
Ladivine CD252C Champagne GoldLadivine CD252C Red
Ladivine CD252C Sale price$225 USD
La Femme 32700 Dark BerryLa Femme 32700 Dark Berry
La Femme 32700 Sale price$436 USD
GLS by Gloria GL3256 ChampagneGLS by Gloria GL3256 Champagne
GLS by Gloria GL3256 Sale price$297 USD
GLS by Gloria GL3252 Smoky Blue/PeachGLS by Gloria GL3252 Smoky Blue/Peach
GLS by Gloria GL3252 Sale price$297 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!