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Long Formal Party Dresses & Formal Prom Gowns

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Mayqueen RQ7795 long rose gold sequin dress with long sleeves and low open back.jpgMayqueen RQ7795 long rose gold sequin dress with long sleeves and low open back-back.jpg
May Queen RQ7795 - MF Sale priceCHF 176
Jovani 43419-MFJovani 43419-MF
Jovani 43419-MF Sale priceCHF 506
Ladivine CD235Ladivine CD235
Ladivine CD235 Sale priceCHF 97 Regular priceCHF 188
La Femme 30477 PinkLa Femme 30477 Pink
La Femme 30477 Sale priceCHF 261
La Femme 32011 Dark BerryLa Femme 32011 Dark Berry
La Femme 32011-MF Sale priceCHF 394
Sold outMay Queen MQ2118 FuchsiaMay Queen MQ2118 Fuchsia
MF21198 - MF Sale priceCHF 247
SCALA 60244 Black NudeSCALA 60244 Black Nude
SCALA 60244 Sale priceCHF 334
Jovani 43197-MF Sale priceCHF 405
Sold outAlyce Paris 61970 ChampagneAlyce Paris 61970 Champagne
Alyce Paris 61970-MF Sale priceCHF 469
Mayqueen RQ7867 long rose gold sequin one shoulder evening gown w/long sleeve. Full length fitted dress is perfect for  enagagement/e-shoot dress, formal wedding guest, evening party dress, prom, engagement, wedding reception. Plus sizes avail.jpgMayqueen RQ7867 long hunter green sequin one shoulder evening gown w/long sleeve. Full length fitted dress is perfect for  enagagement/e-shoot dress, formal wedding guest, evening party dress, prom, engagement, wedding reception. Plus sizes avail..jpg
May Queen RQ7867 - MF Sale priceCHF 91
Andrea and Leo A1116 MauveAndrea and Leo A1116 Mauve
Andrea and Leo A1116 Sale priceCHF 214 Regular priceCHF 428
May Queen LK264 RedMay Queen LK264 Red
MF2694-MF Sale priceCHF 541
Ladivine CC398 NavyLadivine CC398 Greenery
MF3998-MF Sale priceCHF 306
Portia and Scarlett PS25243 FuchsiaPortia and Scarlett PS25243 Fuchsia
Clarisse 62130-MFClarisse 62130-MF
Clarisse 62130-MF Sale priceCHF 401
Ladivine CD378 EmeraldLadivine CD378 Emerald
MF3798-MF Sale priceCHF 165
Ladivine CM373 Sea MistLadivine CM373 Sea Mist
MF3793-MF Sale priceCHF 409
Jovani 43569-MF Sale priceCHF 367
Sold outElizabeth K GL3521 Royal BlueElizabeth K GL3521 Royal Blue
MF35291-MF Sale priceCHF 1,108
Portia and Scarlett PS25242 FuchsiaPortia and Scarlett PS25242
MF2146 - MF Sale priceCHF 205
Jessica Angel 954 RedJessica Angel 954 Red
Jessica Angel 954 Sale priceCHF 454
Jovani 42541 RedJovani 42541 Red
Jovani 42541 - MF Sale priceCHF 683
La Femme 31382 BlackLa Femme 31382 Black
La Femme 31382 Sale priceCHF 491
Mayqueen MQ1735 long sequin beaded  hunter green evening dress w/ straps & skirt overlay. This full length dark green gown is perfect for enagagement/e-shoot dress, wedding reception dress, indowestern gown, formal evening party dress.Plus sizes avail.jpgMayqueen MQ1735 long sequin beaded  royal blue evening dress with straps & skirt overlay. This full length royal blue gown is perfect for enagagement/e-shoot dress, wedding reception dress, indowestern gown, formal evening party dress.Plus sizes avail.jpg
May Queen MQ1735 - MF Sale priceCHF 91
Elizabeth K GL3551Baby BlueElizabeth K GL3551Baby Blue
MF35591-MF Sale priceCHF 1,173
May Queen LK266 RedMay Queen LK266 Red
MF2696 - MF Sale priceCHF 706
Sold outElizabeth K GL3529 RedElizabeth K GL3529 Red
MFGL35299-MF Sale priceCHF 764
Ladivine CDS411Ladivine CDS411
Ladivine CDS411 Sale priceCHF 71 Regular priceCHF 159
Andrea and Leo A1089 Paris BlueAndrea and Leo A1089
Andrea and Leo A1089 Sale priceCHF 380
Elizabeth K GL3608 PinkElizabeth K GL3608 Pink
MF36098-MF Sale priceCHF 1,055
Ladivine CD868 Dusty Bluevideowise-widget-6675879ca76a3d00290aacea-10072702812353
MF8698 - MF Sale priceCHF 265
Ladivine CDS439 AmethystLadivine CDS439 Dusty Blue
MF4399-MF Sale priceCHF 247
Elizabeth K GL3519 SilverElizabeth K GL3519 Silver
MF35199-MF Sale priceCHF 897
Jovani 43172 PinkJovani 43172 Pink
Jovani 43172-MF Sale priceCHF 612
Ladivine CD297 RedLadivine CD297 Red
MF2997-MF Sale priceCHF 247 Regular priceCHF 294
La Femme 32238 Dark EmeraldLa Femme 32238 Dark Emerald
La Femme 32238 - MF Sale priceCHF 176 Regular priceCHF 278
Faviana 11255 Dark Hunter GreenFaviana 11255 Dark Hunter Green
Faviana 11255-MF Sale priceCHF 439
Clarisse 62118 -MFClarisse 62118 -MF
Clarisse 62118 -MF Sale priceCHF 492
Clarisse 811109 -MFClarisse 811109 -MF
Clarisse 811109 -MF Sale priceCHF 356
May Queen LK244 Ivory NudeMay Queen LK244 Ivory Nude
May Queen LK244 Sale priceCHF 429 Regular priceCHF 882
Sold outPortia and Scarlett PS25294 Pink
May Queen MQ2139 OliveMay Queen MQ2139 Olive
MF21399-MF Sale priceCHF 282
La Femme - 30767 Embroidery And Bead Accented Gown In GreenLa Femme - 30767 Embroidery And Bead Accented Gown In Green
La Femme 30767 - MF Sale priceCHF 352
Sold outLadivine CD0103 EmeraldLadivine CD0103 Black
MFCD01093 - MF Sale priceCHF 176
Mayqueen MQ1768 long dusty blue fitted party dress with v neck, wide straps & high slit. This dusty blue dress is perfect for bridesmaids, simple wedding guest dress, formal evening party dress. Plus sizes available.jpg
May Queen MQ1768 Sale priceCHF 89 Regular priceCHF 170
Ladivine CD285Ladivine CD285 Royal
Ladivine CD285 Sale priceCHF 90 Regular priceCHF 178

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!