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Long Formal Party Dresses & Formal Prom Gowns

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Portia and Scarlett PS26013Portia and Scarlett PS26013
Portia and Scarlett PS26013 Sale price$ 11,309
Portia and Scarlett PS26416CPortia and Scarlett PS26416C
Portia and Scarlett PS26416C Sale price$ 17,570
Portia and Scarlett PS25198 SeagreenPortia and Scarlett PS25198 Seagreen
Portia and Scarlett PS25198 Sale price$ 8,992
Portia and Scarlett PS26012Portia and Scarlett PS26012
Portia and Scarlett PS26012 Sale price$ 14,373
Clarisse 810708Clarisse 810708
Clarisse 810708 Sale price$ 7,207
Faviana 11004 Light PinkFaviana 11004 Light Pink
Faviana 11004 Sale price$ 8,885
Ladivine CD380 Light BlueLadivine CD380 Dusty Rose
Ladivine CD380 Sale price$ 3,490
Faviana 11017 BlackFaviana 11017 Ruby
Faviana 11017 Sale price$ 8,499
Portia and Scarlett PS26004Portia and Scarlett PS26004
Portia and Scarlett PS26004 Sale price$ 11,309
Portia and Scarlett PS26095Portia and Scarlett PS26095
Portia and Scarlett PS26095 Sale price$ 11,176
Ladivine KV1116 BurgundyLadivine KV1116 Greenery
Ladivine KV1116 Sale price$ 3,957
Faviana ES10890 Light PinkFaviana ES10890 Light Pink
Faviana ES10890 Sale price$ 6,794
Jessica Angel 2593 CeriseJessica Angel 2593 Cerise
Jessica Angel 2593 Sale price$ 9,032
Ladivine CD297 RedLadivine CD297 Red
Ladivine CD297 Sale price$ 4,956
Portia and Scarlett PS26002Portia and Scarlett PS26002
Portia and Scarlett PS26002 Sale price$ 14,639
Jovani 42541 RedJovani 42541 Red
Jovani 42541 Sale price$ 15,465
Portia and Scarlett PS26424CPortia and Scarlett PS26424C
Portia and Scarlett PS26424C Sale price$ 15,705
Portia and Scarlett PS26041Portia and Scarlett PS26041
Portia and Scarlett PS26041 Sale price$ 11,442
Ladivine 7481 BurgundyLadivine 7481 Black
Ladivine 7481 Sale price$ 2,971
Portia and Scarlett PS26022Portia and Scarlett PS26022
Portia and Scarlett PS26022 Sale price$ 11,975
Portia and Scarlett PS25311 IvoryPortia and Scarlett PS25311
Portia and Scarlett PS25311 Sale price$ 9,578
Portia and Scarlett PS26173Portia and Scarlett PS26173
Portia and Scarlett PS26173 Sale price$ 14,639
Faviana S10633 LilacFaviana S10633 Lilac
Faviana S10633 Sale price$ 9,258
Faviana 11270 RedFaviana 11270 Red
Faviana 11270 Sale price$ 9,631
Faviana 11209 RedFaviana 11209 Red
Faviana 11209 Sale price$ 9,258
Portia and Scarlett PS26099Portia and Scarlett PS26099
Portia and Scarlett PS26099 Sale price$ 14,373
Sold outPortia and Scarlett PS26223Portia and Scarlett PS26223
Portia and Scarlett PS26223 Sale price$ 10,776
Jovani 40755 BurgundyJovani 40755 Burgundy
Jovani 40755 Sale price$ 13,054
Portia and Scarlett PS26432CPortia and Scarlett PS26432C
Portia and Scarlett PS26432C Sale price$ 15,705
Ladivine C163 RoyalLadivine C163 Royal
Ladivine C163 Sale price$ 5,568
Portia and Scarlett PS26405CPortia and Scarlett PS26405C
Portia and Scarlett PS26405C Sale price$ 12,375
Ladivine CD295 Paris BlueLadivine CD295 Paris Blue
Ladivine CD295 Sale price$ 5,995 Regular price$ 6,634
Faviana 11255 Dark Hunter GreenFaviana 11255 Dark Hunter Green
Faviana 11255 Sale price$ 10,004
Jessica Angel 2367 Neon YellowJessica Angel 2367 Neon Yellow
Jessica Angel 2367 Sale price$ 10,217
Jovani 43419 Hot PinkJovani 43419 Hot Pink
Jovani 43419 Sale price$ 11,456
Jessica Angel 2511 JadeJessica Angel 2511 Jade
Jessica Angel 2511 Sale price$ 7,833
Jovani 44270 FuchsiaJovani 44270 Fuchsia
Jovani 44270 Sale price$ 15,465
Portia and Scarlett PS26215Portia and Scarlett PS26215
Portia and Scarlett PS26215 Sale price$ 18,102
Portia and Scarlett PS26141Portia and Scarlett PS26141
Portia and Scarlett PS26141 Sale price$ 14,373
Portia and Scarlett PS25308Portia and Scarlett PS25308
Portia and Scarlett PS25308 Sale price$ 13,667
Ladivine CD0234 Lt BlueLadivine CD0234 Smoky Blue
Ladivine CD0234 Sale price$ 4,476
Portia and Scarlett PS26450CPortia and Scarlett PS26450C
Portia and Scarlett PS26450C Sale price$ 15,838
Jessica Angel 2641 TurquoiseJessica Angel 2641 Turquoise
Jessica Angel 2641 Sale price$ 8,192
Jessica Angel 2510 RoyalJessica Angel 2510 Royal
Jessica Angel 2510 Sale price$ 8,818
Ladivine CD355 RedLadivine CD355 Red
Ladivine CD355 Sale price$ 2,691
Ladivine CD337CLadivine CD337C
Ladivine CD337C Sale price$ 2,998
Jovani 38707 Neon PinkJovani 38707 Neon Pink
Jovani 38707 Sale price$ 14,666
Portia and Scarlett PS26005Portia and Scarlett PS26005
Portia and Scarlett PS26005 Sale price$ 11,709

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!