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Long Formal Party Dresses & Formal Prom Gowns

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May Queen RQ7932 PurpleMay Queen RQ7932 Purple
May Queen RQ7932 Sale price$ 5,124
Faviana S10400 Deep MauveFaviana S10400 Deep Mauve
Faviana S10400 Sale price$ 7,045
Jovani 23849 MustardJovani 23849 Mustard Back
Jovani 23849 Sale price$ 15,091
SCALA 61300 PeriwinkleSCALA 61300 Periwinkle
SCALA 61300 Sale price$ 8,713
Jessica Angel 2465 MagentaJessica Angel 2465 Magenta
Jessica Angel 2465 Sale price$ 12,409
GLS by Gloria GL3216 MagentaGLS by Gloria GL3216 Magenta
GLS by Gloria GL3216 Sale price$ 7,312 Regular price$ 14,611
La Femme - 27956 Beaded Bateau Sheath Long Gown In PurpleLa Femme - 27956 Beaded Bateau Sheath Long Gown In Purple
La Femme 27956 Sale price$ 7,419 Regular price$ 10,701
Clarisse 810525 ScarletClarisse 810525 Scarlet
Clarisse 810525 Sale price$ 7,579
Andrea and Leo A1201 LavenderAndrea and Leo A1201 Hot Pink
Andrea and Leo A1201 Sale price$ 4,417 Regular price$ 9,834
Mac Duggal - 20264 Deep V-Neck Pleated A-Line Gown In BlueMac Duggal - 20264 Deep V-Neck Pleated A-Line Gown In Blue
Mac Duggal 20264 Sale price$ 11,115
Elizabeth K GL1969 BlushElizabeth K GL1969 Blush
Elizabeth K GL1969 Sale price$ 11,689 Regular price$ 23,377
Mac Duggal 20287 MidnightMac Duggal 20287 Midnight
Mac Duggal 20287 Sale price$ 11,982 Regular price$ 24,044
Jessica Angel 732 GoldJessica Angel 732 Gold
Jessica Angel 732 Sale price$ 9,460
La Femme 28401 EmeraldLa Femme 28401 Navy
La Femme 28401 Sale price$ 7,419
Sold outLadivine CD888 RedLadivine CD888 Black
MFCD888 - MF Sale price$ 4,404 Regular price$ 4,790
May Queen MQ1905 RedMay Queen MQ1905 Red
May Queen MQ1905 Sale price$ 2,589 Regular price$ 4,844
Jessica Angel 734B Bright Purple KellyJessica Angel 734B Bright Purple Kelly
Jessica Angel 734B Sale price$ 7,366
Jessica Angel 731 NavyJessica Angel 731 Navy
Jessica Angel 731 Sale price$ 9,460
Mayqueen RQ7810 long dusty blue high neck sexy fitted sequin dress w/high back. Full length dark blue gown is perfect for  enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress, prom, mother of bride. Plus sizes avail.jpgMayqueen RQ7810 long dusty blue high neck sexy fitted sequin dress w/high back. Full length dark blue gown is perfect for  enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress,prom, mother of bride. Plus sizes avail-b.jpg
May Queen RQ7810 Sale price$ 2,069 Regular price$ 5,177
Jessica Angel 531 EggplantJessica Angel 531 Eggplant
Jessica Angel 531 Sale price$ 8,833
Faviana S10506 In PurpleFaviana S10506 In Purple
Faviana S10506 Sale price$ 8,340
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 price$ 2,055
JVN by Jovani JVN07212 PurpleJVN by Jovani JVN07212 Purple
JVN by Jovani JVN07212 - MF Sale priceFrom $ 8,553
May Queen MQ1927 BrownMay Queen MQ1927 Brown
May Queen MQ1927 Sale price$ 1,722 Regular price$ 3,910
Ladivine CDS411Ladivine CDS411
Ladivine CDS411 Sale price$ 1,602 Regular price$ 3,603
May Queen MQ1947 RedMay Queen MQ1947 Red
May Queen MQ1947 Sale price$ 1,535 Regular price$ 3,523
Ladivine CDS439 AmethystLadivine CDS439 Dusty Blue
MF4399-MF Sale price$ 5,604
Mayqueen MQ 1740 long metallic gold halter evening fitted mermaid dress w/low back.Full length satin gown is perfect for enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress, prom, bridesmaid. Plus sizes avail.jpgMayqueen MQ 1740 long dusty blue halter evening fitted mermaid dress w/low back.Full length dusty blue satin gown is perfect for enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress,prom, bridesmaid.Plus sizes avail-b.jpg
May Queen MQ1740 Sale price$ 1,735 Regular price$ 3,336
Mayqueen MQ1799 long navy blue v neck evening fitted dress. Full length dark blue lace gown w/skirt overlay is perfect for  enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress, prom, bridesmaid. Plus sizes avail.jpgMayqueen MQ1799 long navy blue v neck evening fitted dress. Full length dark blue lace gown w/skirt overlay is perfect for  enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress, prom, bridesmaid. Plus sizes avail-b.jpg
May Queen MQ1799 Sale price$ 2,602 Regular price$ 5,071
May Queen MQ1918 BlueMay Queen MQ1918 Blue
May Queen MQ1918 Sale priceFrom $ 1,722 Regular price$ 3,736
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 price$ 2,002 Regular price$ 3,843
Jessica Angel 734 Bright Purple KellyJessica Angel 734 Bright Purple Kelly
Jessica Angel 734 Sale price$ 8,206
Mayqueen MQ1750 long mauv flowy sleek & sexy dress w/straps. This dusty rose dress is perfect for bridesmaid dresses, simple wedding guest dress, prom dress, gala, black tie wedding. Plus sizes are available, evening party dress.jpgMayqueen MQ1750 long mauv flowy sleek & sexy dress w/straps. This dusty rose dress is perfect for bridesmaid dresses, simple wedding guest dress, prom dress, gala, black tie wedding. Plus sizes are available, evening party dress-b.jpg
May Queen MQ1750 Sale price$ 1,722 Regular price$ 2,642
Ladivine CD0181 In PinkLadivine CD0181 In Pink
Ladivine CD0181 Sale price$ 2,669 Regular price$ 5,538
Jessica Angel 841 Rust RoseJessica Angel 841 Rust Rose
Jessica Angel 841 Sale price$ 10,301
Mayqueen MQ 1740 long metallic gold halter evening fitted mermaid dress w/low back.Full length satin gown is perfect for enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress, prom, bridesmaid. Plus sizes avail.jpgMayqueen MQ 1740 long navy blue halter evening fitted mermaid dress w/low back.Full length dark blue satin gown is perfect for enagagement/e-shoot dress, formal wedding guest, indowestern gown, evening party dress, prom, bridesmaid. Plus sizes avail.jpg
May Queen MQ1740 - MF Sale price$ 1,335 Regular price$ 1,949
May Queen - MQ1701 Embroidered V Neck A-Line Dress In BlackMay Queen - MQ1701 Embroidered V Neck A-Line Dress In Black
May Queen MQ1701 Sale price$ 2,389 Regular price$ 3,389
Jessica Angel 2383 LavenderJessica Angel 2383 Lavender
Jessica Angel 2383 Sale price$ 9,887
Jessica Angel 853 EggplantJessica Angel 853 Eggplant
Jessica Angel 853 Sale price$ 7,366
MFT7095 - MF Sale price$ 2,936
Jessica Angel 2349 LavenderJessica Angel 2349 Lavender
Jessica Angel 2349 Sale price$ 9,460
Sold outLa Femme 30584 Royal BlueLa Femme 30584 Royal Blue
La Femme 30584 - MF Sale price$ 11,995
Ladivine CD262 PurpleLadivine CD262 Purple
MFCD2692 - MF Sale price$ 3,990
Ladivine C140 EmeraldLadivine C140 Opal Blush
MF1490 - MF Sale price$ 3,309 Regular price$ 4,457
Sold outLadivine CD0214 BlackLadivine CD0214 Black
MFCD0214 -MF Sale price$ 6,138
Sold outLadivine CD332 English VioletLadivine CD332 Paris Blue
MFCD332-MF Sale price$ 8,953
Alyce Paris 61600 MidnightAlyce Paris 61600 Electric Blue
Alyce Paris 61600 - MF Sale price$ 7,993
Mac Duggal 20353 PlumMac Duggal 20353 Plum
Mac Duggal 20353 - MF Sale priceFrom $ 13,316 Regular price$ 18,413

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!