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Long Formal Party Dresses & Formal Prom Gowns

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Ieena Duggal - 49287I Glitter Tiered A-Line Evening Gown In BrownIeena Duggal 49287 Nutmeg
Ieena Duggal 49287 Sale price$ 3,993 Regular price$ 7,432
Clarisse 810554 Pale LilacClarisse 810554 Pale Lilac
Clarisse 810554 Sale price$ 8,218
Elizabeth K GL1537Elizabeth K GL1537
Elizabeth K GL1537 Sale price$ 5,912 Regular price$ 11,811
Jovani 22792 BlueJovani 22792 Blue
Jovani 22792 Sale price$ 17,478
Terani Couture 252M5309Terani Couture 252M5309
Terani Couture 252M5309 Sale price$ 13,684
Ellie Wilde EW37106Ellie Wilde EW37106
Ellie Wilde EW37106 Sale price$ 8,488
Clarisse 62219Clarisse 62219
Clarisse 62219 Sale price$ 9,570
Mac Duggal 13001 BlackMac Duggal 13001 Black
Mac Duggal 13001 Sale price$ 14,336
La Femme - 27989 V Neck Trumpet Dress In PinkLa Femme - 27989 V Neck Trumpet Dress In Blue
La Femme 27989 Sale price$ 8,450 Regular price$ 11,064
Jessica Angel 2467 Neon YellowJessica Angel 2467 Neon Yellow
Jessica Angel 2467 Sale price$ 11,167
Mac Duggal 67852 BlueMac Duggal 67852 Blue
Mac Duggal 67852 Sale price$ 9,647
PS25160-Emerald RedPS25160-Emerald Red Bk
Portia and Scarlett PS25160 Sale price$ 8,372
La Femme - 28103 Off-Shoulder Ruched Fitted Bodice Satin Evening Dress In Champagne & GoldLa Femme - 28103 Off-Shoulder Ruched Fitted Bodice Satin Evening Dress In Champagne & Gold
La Femme 28103 Sale price$ 7,484 Regular price$ 8,875
Andrea and Leo A1278 Lapis Bluevideowise-widget-6675879ca76a3d00290aacea-10133594800321
Andrea and Leo A1278 Sale price$ 9,647
Ladivine OC008 Dusty RoseLadivine OC008 Dusty Rose
Ladivine OC008 Sale price$ 3,581 Regular price$ 5,243
Mac Duggal - 20294 Enchanting A-Line Floral Long Dress In Blue and GrayMac Duggal - 20294 Enchanting A-Line Floral Long Dress In Blue and Gray
Mac Duggal 20294 Sale price$ 7,818 Regular price$ 14,902
Andrea and Leo A1229 MauveAndrea and Leo A1229 Emerald
Andrea and Leo A1229 Sale price$ 4,689 Regular price$ 9,029
Elizabeth K GL3140 GreenElizabeth K GL3140 Green
Elizabeth K GL3140 Sale price$ 4,380 Regular price$ 8,746
Portia and Scarlett PS25609E
Portia and Scarlett PS25609E Sale price$ 18,315
Elizabeth K GL1912 Rose GoldElizabeth K GL1912 Rose Gold
Elizabeth K GL1912 Sale price$ 15,340 Regular price$ 30,667
Ieena Duggal 56037 RubyIeena Duggal 56037 Ruby
Ieena Duggal 56037 Sale price$ 7,020
GLS by Gloria GL3398 LilacGLS by Gloria GL3398 Lilac
GLS by Gloria GL3398 Sale price$ 5,719 Regular price$ 11,425
Dancing Queen 4323Dancing Queen 4323
Dancing Queen 4323 Sale price$ 3,916
Ladivine KV1116 BurgundyLadivine KV1116 Greenery
Ladivine KV1116 Sale price$ 3,697
Elizabeth K GL3113 BlackElizabeth K GL3113 Black
Elizabeth K GL3113 Sale price$ 4,792 Regular price$ 9,570
Portia and Scarlett PS25232 SilverPortia and Scarlett PS25232 Silver
Portia and Scarlett PS25232 Sale price$ 11,373
Clarisse 811110 LilacClarisse 811110 Lilac
Clarisse 811110 Sale price$ 10,175
Faviana 11418Faviana 11418
Faviana 11418 Sale price$ 8,952
Primavera 4519Primavera 4519
Primavera 4519 Sale price$ 10,278
Faviana S10806 BlackFaviana S10806 Black
Faviana S10806 Sale price$ 9,673
Portia and Scarlett PS25990CPortia and Scarlett PS25990C
Portia and Scarlett PS25990C Sale price$ 17,839
Andrea and Leo A1273 English VioletAndrea and Leo A1273 English Violet
Andrea and Leo A1273 Sale price$ 15,443
Ladivine KV1141Ladivine KV1141
Ladivine KV1141 Sale price$ 8,772
Mac Duggal 68515Mac Duggal 68515
Mac Duggal 68515 Sale price$ 8,926
La Femme 32975 BlackLa Femme 32975 Black
La Femme 32975 Sale price$ 6,801
Terani Couture 252GL5226Terani Couture 252GL5226
Terani Couture 252GL5226 Sale price$ 27,368
Andrea and Leo A1336 CreamAndrea and Leo A1336 Cream
Andrea and Leo A1336 Sale price$ 6,569
Ladivine CD681Ladivine CD681
Ladivine CD681 Sale price$ 8,462
Ladivine CDS465 BlueLadivine CDS465 Blue
Ladivine CDS465 Sale price$ 4,341
La Femme - 30721 Beaded Corset Tulle A-Line Dress In PinkLa Femme - 30721 Beaded Corset Tulle A-Line Dress In Pink
La Femme 30721 Sale price$ 1,932 Regular price$ 7,239
Jovani 24296Jovani 24296 Back
Jovani 24296 Sale price$ 14,567 Regular price$ 15,057
Dancing Queen 1672Dancing Queen 1672
Dancing Queen 1672 Sale price$ 10,948
Ellie Wilde EW37056Ellie Wilde EW37056
Ellie Wilde EW37056 Sale price$ 9,261
Portia and Scarlett PS26006Portia and Scarlett PS26006
Portia and Scarlett PS26006 Sale price$ 10,549
Portia and Scarlett PS25317 PinkPortia and Scarlett PS25317 Pink
Portia and Scarlett PS25317 Sale price$ 15,057
Elizabeth K GL2513Elizabeth K GL2513
Elizabeth K GL2513 Sale price$ 10,588 Regular price$ 21,162
Ladivine CD692Ladivine CD692
Ladivine CD692 Sale price$ 5,886
Portia and Scarlett PS26403CPortia and Scarlett PS26403C
Portia and Scarlett PS26403C Sale price$ 16,860

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!