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Long Formal Party Dresses & Formal Prom Gowns

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Mac Duggal 68515Mac Duggal 68515
Mac Duggal 68515 Sale Sale price$249 USD Regular price$498 USD
Ladivine CD682Ladivine CD682
Ladivine CD682 Sale price$344 USD
Ieena Duggal 27145 Black MultiIeena Duggal 27145 Black Multi
Ieena Duggal 27145 Sale price$498 USD
Ellie Wilde EW37073Ellie Wilde EW37073
Ellie Wilde EW37073 Sale price$629 USD
Primavera 4518Primavera 4518
Primavera 4518 Sale price$595 USD
Ieena Duggal 27119 BlackIeena Duggal 27119 Black
Ieena Duggal 27119 Sale price$498 USD
Jessica Angel 2583 WhiteJessica Angel 2583 White
Jessica Angel 2583 Sale price$490 USD
Mac Duggal - 11136D Long Sleeve Embroidered A-Line Dress In BlueMac Duggal - 11136D Long Sleeve Embroidered A-Line Dress In Blue
Mac Duggal A11136 Sale price$269 USD Regular price$538 USD
Alyce Paris 61666 BubblegumAlyce Paris 61666 Bubblegum
Alyce Paris 61666 Sale price$428 USD
Clarisse 810427 PinkClarisse 810427 Pink
Clarisse 810427 Sale price$350 USD
GLS by Gloria GL3118GLS by Gloria GL3118
GLS by Gloria GL3118 Sale price$343 USD Regular price$548 USD
Faviana 11000 Pink/SilverFaviana 11000 Pink/Silver
Faviana 11000 Sale price$498 USD
Clarisse 810530 LilacClarisse 810530 Lilac
Clarisse 810530 Sale price$578 USD
Ladivine CD371W WhiteLadivine CD371W White
Ladivine CD371W Sale price$201 USD
La Femme - 29994 Embellished V-Neck Sheath Dress In GrayLa Femme - 29994 Embellished V-Neck Sheath Dress In Gray
La Femme 29994 Sale price$598 USD
Clarisse 62221Clarisse 62221
Clarisse 62221 Sale priceFrom $438
Jessica Angel 2430 BlueJessica Angel 2430 Blue
Jessica Angel 2430 Sale price$390 USD
Jessica Angel 2627 RedJessica Angel 2627 Red
Jessica Angel 2627 Sale price$430 USD
Ieena Duggal 27143 Antique GoldIeena Duggal 27143 Antique Gold
Ieena Duggal 27143 Sale price$498 USD
Portia and Scarlett PS25255 Hot PinkPortia and Scarlett PS25255 Hot Pink
Portia and Scarlett PS25255 Sale price$658 USD
Jessica Angel 2586 Dark Neon PinkJessica Angel 2586 Dark Neon Pink
Jessica Angel 2586 Sale price$450 USD
Atria 7018HAtria 7018H
Atria 7018H Sale price$430 USD
Elizabeth K GL3163Elizabeth K GL3163
Elizabeth K GL3163 Sale price$205 USD Regular price$1,074 USD
Portia and Scarlett PS26404CPortia and Scarlett PS26404C
Portia and Scarlett PS26404C Sale price$699 USD
Clarisse 810440 NavyClarisse 810440 Navy
Clarisse 810440 Sale price$390 USD
Ladivine T904Ladivine T904
Ladivine T904 Sale price$70 USD
La Femme - 28000 Beaded Lace A-Line Evening Dress In BlueLa Femme - 28000 Beaded Lace A-Line Evening Dress In Blue
La Femme 28000 Sale price$538 USD
Portia and Scarlett PS26286Portia and Scarlett PS26286
Portia and Scarlett PS26286 Sale price$619 USD
La Femme 33001 Dark TealLa Femme 33001 Dark Teal
La Femme 33001 Sale price$470 USD
Portia and Scarlett PS26043Portia and Scarlett PS26043
Portia and Scarlett PS26043 Sale price$679 USD
Elizabeth K GL3136 BlackElizabeth K GL3136 Black
Elizabeth K GL3136 Sale price$228 USD Regular price$1,614 USD
Clarisse 62128Clarisse 62128
Clarisse 62128 Sale price$539 USD
Terani Couture 261P6106Terani Couture 261P6106
Terani Couture 261P6106 Sale price$596.25 USD
Andrea and Leo A1294 Paris BlueAndrea and Leo A1294 Paris Blue
Andrea and Leo A1294 Sale priceFrom $348
Ladivine C159WLadivine C159W
Ladivine C159W Sale price$349 USD
Terani Couture 1911E9128Terani Couture 1911E9128
Terani Couture 1911E9128 Sale price$517 USD
Elizabeth K GL1960Elizabeth K GL1960
Elizabeth K GL1960 Sale price$837 USD Regular price$1,134 USD
La Femme 32714 Light PeriwinkleLa Femme 32714
La Femme 32714 Sale price$470 USD
Portia and Scarlett PS26073Portia and Scarlett PS26073
Portia and Scarlett PS26073 Sale price$819 USD
SCALA 60393SCALA 60393
SCALA 60393 Sale price$592 USD
Portia and Scarlett PS26250Portia and Scarlett PS26250
Portia and Scarlett PS26250 Sale price$599 USD
Ellie Wilde EW37044Ellie Wilde EW37044
Ellie Wilde EW37044 Sale price$629 USD
Ieena Duggal 49896 BlackIeena Duggal 49896 Black
Ieena Duggal 49896 Sale price$388 USD
Jovani 08459 in BlueJovani 08459 in Blue
Jovani 08459 Sale price$590 USD
Mac Duggal 11787 BlackMac Duggal 11787 Black
Mac Duggal 11787 Sale price$598 USD
Jovani 24103 RedJovani 24103 Red Back
Jovani 24103 Sale price$700 USD
SCALA 61331 RustSCALA 61331 Rust
SCALA 61331 Sale price$482 USD
Portia and Scarlett PS26068Portia and Scarlett PS26068
Portia and Scarlett PS26068 Sale price$899 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!