Long Formal Party Dresses|2025 Formal Prom Gowns|Short Formal Dresses Skip to content

Shopping Bag

Your cart is currently empty.

Long Formal Party Dresses & Formal Prom Gowns

Sort by

5446 Item

Portia and Scarlett PS26013Portia and Scarlett PS26013
Portia and Scarlett PS26013 Sale priceCHF 499
Portia and Scarlett PS26416CPortia and Scarlett PS26416C
Portia and Scarlett PS26416C Sale priceCHF 775
Portia and Scarlett PS25198 SeagreenPortia and Scarlett PS25198 Seagreen
Portia and Scarlett PS25198 Sale priceCHF 397
Portia and Scarlett PS26012Portia and Scarlett PS26012
Portia and Scarlett PS26012 Sale priceCHF 634
Clarisse 810708Clarisse 810708
Clarisse 810708 Sale priceCHF 318
Faviana 11004 Light PinkFaviana 11004 Light Pink
Faviana 11004 Sale priceCHF 392
Ladivine CD380 Light BlueLadivine CD380 Dusty Rose
Ladivine CD380 Sale priceCHF 154
Faviana 11017 BlackFaviana 11017 Ruby
Faviana 11017 Sale priceCHF 375
Portia and Scarlett PS26004Portia and Scarlett PS26004
Portia and Scarlett PS26004 Sale priceCHF 499
Portia and Scarlett PS26095Portia and Scarlett PS26095
Portia and Scarlett PS26095 Sale priceCHF 493
Ladivine KV1116 BurgundyLadivine KV1116 Greenery
Ladivine KV1116 Sale priceCHF 175
Faviana ES10890 Light PinkFaviana ES10890 Light Pink
Faviana ES10890 Sale priceCHF 300
Jessica Angel 2593 CeriseJessica Angel 2593 Cerise
Jessica Angel 2593 Sale priceCHF 399
Ladivine CD297 RedLadivine CD297 Red
Ladivine CD297 Sale priceCHF 219
Portia and Scarlett PS26002Portia and Scarlett PS26002
Portia and Scarlett PS26002 Sale priceCHF 646
Jovani 42541 RedJovani 42541 Red
Jovani 42541 Sale priceCHF 682
Portia and Scarlett PS26424CPortia and Scarlett PS26424C
Portia and Scarlett PS26424C Sale priceCHF 693
Portia and Scarlett PS26041Portia and Scarlett PS26041
Portia and Scarlett PS26041 Sale priceCHF 505
Ladivine 7481 BurgundyLadivine 7481 Black
Ladivine 7481 Sale priceCHF 131
Portia and Scarlett PS26022Portia and Scarlett PS26022
Portia and Scarlett PS26022 Sale priceCHF 528
Portia and Scarlett PS25311 IvoryPortia and Scarlett PS25311
Portia and Scarlett PS25311 Sale priceCHF 423
Portia and Scarlett PS26173Portia and Scarlett PS26173
Portia and Scarlett PS26173 Sale priceCHF 646
Faviana S10633 LilacFaviana S10633 Lilac
Faviana S10633 Sale priceCHF 409
Faviana 11270 RedFaviana 11270 Red
Faviana 11270 Sale priceCHF 425
Faviana 11209 RedFaviana 11209 Red
Faviana 11209 Sale priceCHF 409
Portia and Scarlett PS26099Portia and Scarlett PS26099
Portia and Scarlett PS26099 Sale priceCHF 634
Sold outPortia and Scarlett PS26223Portia and Scarlett PS26223
Portia and Scarlett PS26223 Sale priceCHF 475
Jovani 40755 BurgundyJovani 40755 Burgundy
Jovani 40755 Sale priceCHF 576
Portia and Scarlett PS26432CPortia and Scarlett PS26432C
Portia and Scarlett PS26432C Sale priceCHF 693
Ladivine C163 RoyalLadivine C163 Royal
Ladivine C163 Sale priceCHF 246
Portia and Scarlett PS26405CPortia and Scarlett PS26405C
Portia and Scarlett PS26405C Sale priceCHF 546
Ladivine CD295 Paris BlueLadivine CD295 Paris Blue
Ladivine CD295 Sale priceCHF 265 Regular priceCHF 293
Faviana 11255 Dark Hunter GreenFaviana 11255 Dark Hunter Green
Faviana 11255 Sale priceCHF 441
Jessica Angel 2367 Neon YellowJessica Angel 2367 Neon Yellow
Jessica Angel 2367 Sale priceCHF 451
Jovani 43419 Hot PinkJovani 43419 Hot Pink
Jovani 43419 Sale priceCHF 505
Jessica Angel 2511 JadeJessica Angel 2511 Jade
Jessica Angel 2511 Sale priceCHF 346
Jovani 44270 FuchsiaJovani 44270 Fuchsia
Jovani 44270 Sale priceCHF 682
Portia and Scarlett PS26215Portia and Scarlett PS26215
Portia and Scarlett PS26215 Sale priceCHF 798
Portia and Scarlett PS26141Portia and Scarlett PS26141
Portia and Scarlett PS26141 Sale priceCHF 634
Portia and Scarlett PS25308Portia and Scarlett PS25308
Portia and Scarlett PS25308 Sale priceCHF 603
Ladivine CD0234 Lt BlueLadivine CD0234 Smoky Blue
Ladivine CD0234 Sale priceCHF 198
Portia and Scarlett PS26450CPortia and Scarlett PS26450C
Portia and Scarlett PS26450C Sale priceCHF 699
Jessica Angel 2641 TurquoiseJessica Angel 2641 Turquoise
Jessica Angel 2641 Sale priceCHF 362
Jessica Angel 2510 RoyalJessica Angel 2510 Royal
Jessica Angel 2510 Sale priceCHF 389
Ladivine CD355 RedLadivine CD355 Red
Ladivine CD355 Sale priceCHF 119
Ladivine CD337CLadivine CD337C
Ladivine CD337C Sale priceCHF 133
Jovani 38707 Neon PinkJovani 38707 Neon Pink
Jovani 38707 Sale priceCHF 647
Portia and Scarlett PS26005Portia and Scarlett PS26005
Portia and Scarlett PS26005 Sale priceCHF 517

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!