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Long Formal Party Dresses & Formal Prom Gowns

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May Queen LK247 Baby Blue MultiMay Queen LK247 Baby Blue Multi
May Queen LK247 Sale price$ 9,750 Regular price$ 20,033
Ieena Duggal - 26550I One Shoulder Sequin Sheath Dress In BlueIeena Duggal - 26550I One Shoulder Sequin Sheath Dress In Champagne & Gold
Ieena Duggal 26550 Sale Sale price$ 4,141 Regular price$ 7,706
Portia and Scarlett PS26068Portia and Scarlett PS26068
Portia and Scarlett PS26068 Sale price$ 15,746
Elizabeth K GL3620 Off WhiteElizabeth K GL3620 Navy
Elizabeth K GL3620 Sale price$ 4,141
La Femme 32938 BlackLa Femme 32938 Black
La Femme 32938 Sale price$ 5,182
La Femme - 27837 Sequined Lace A-Line Gown In BlueLa Femme - 27837 Sequined Lace A-Line Gown In Blue
La Femme 27837 Sale price$ 9,282 Regular price$ 10,711
Faviana S10806 BlackFaviana S10806 Black
Faviana S10806 Sale price$ 10,030
Elizabeth K GL3588 WhiteElizabeth K GL3588 Black
Elizabeth K GL3588 Sale price$ 3,673
Portia and Scarlett PS26402CPortia and Scarlett PS26402C
Portia and Scarlett PS26402C Sale price$ 12,674
La Femme - 28047 Off Shoulder Long Fit And Flare Dress In PinkLa Femme - 28047 Off Shoulder Long Fit And Flare Dress In Blue
La Femme 28047 Sale price$ 7,800 Regular price$ 9,202
SCALA 61337 GrapeSCALA 61337 Grape
SCALA 61337 Sale price$ 9,095
Alyce Paris 61680 GoldAlyce Paris 61680 Gold
Alyce Paris 61680 Sale price$ 7,773
Faviana S10809 CobaltFaviana S10809 Cobalt
Faviana S10809 Sale price$ 5,930
Sold outMac Duggal 6819 RedMac Duggal 6819 Red
Mac Duggal 68198 Sale price$ 6,064 Regular price$ 11,579
Mac Duggal 67911 BlackMac Duggal 67911 Black
Mac Duggal 67911 B Sale price$ 11,579
Alyce Paris 61681 Rose GoldAlyce Paris 61681 Rose Gold
Alyce Paris 61681 Sale priceFrom $ 3,393
Jessica Angel 2624 YellowJessica Angel 2624 Yellow
Jessica Angel 2624 Sale price$ 8,214
Portia and Scarlett PS26228Portia and Scarlett PS26228
Portia and Scarlett PS26228 Sale price$ 12,808
Jessica Angel 924 Light PurpleJessica Angel 924 Light Purple
Jessica Angel 924 Sale price$ 9,055
Alyce Paris 61700 BlackAlyce Paris 61700 Black
Alyce Paris 61700 Sale price$ 8,775
Mac Duggal 20340 MidnightMac Duggal 20340
Mac Duggal 20340 Sale price$ 11,125
Andrea and Leo A1053WAndrea and Leo A1053W
Andrea and Leo A1053W Sale price$ 11,232
Portia and Scarlett PS26188Portia and Scarlett PS26188
Portia and Scarlett PS26188 Sale price$ 12,007
GLS by Gloria GL3464 Baby BlueGLS by Gloria GL3464 Baby Blue
GLS by Gloria GL3464 Sale price$ 5,863 Regular price$ 11,713
Ladivine CD243 ChampagneLadivine CD243 Petal Blush
Ladivine CD243 Sale price$ 2,030 Regular price$ 4,782
Alyce Paris 61551 Light PeriwinkleAlyce Paris 61551 Light Periwinkle
Alyce Paris 61551 Sale price$ 6,371
Portia and Scarlett PS25202 GoldPortia and Scarlett PS25202 Teal
Portia and Scarlett PS25202 Sale price$ 11,272
Alyce Paris 61565 EnvyAlyce Paris 61565 Envy
Alyce Paris 61565 Sale price$ 8,775
Ladivine CD713Ladivine CD713
Ladivine CD713 Sale price$ 5,984
Alyce Paris 61957 ChampagneAlyce Paris 61957 Champagne
Alyce Paris 61957 Sale price$ 8,842
Ieena Duggal - 26570 Draped High Slit Gown In RedIeena Duggal 26570 Red
Ieena Duggal 26570 Sale Sale price$ 4,141 Regular price$ 6,932
Elizabeth K GL3063 In NeutralElizabeth K GL3063 In Neutral
Elizabeth K GL3063 Sale price$ 4,541 Regular price$ 9,069
 May Queen RQ8014 PinkMay Queen RQ8014 Pink
May Queen RQ8014 Sale price$ 4,060 Regular price$ 6,197
Alyce Paris 61717 BlackAlyce Paris 61717 Bright Orange
Alyce Paris 61717 Sale price$ 10,578
La Femme - 30164 Quarter-Length Sleeves Mermaid Dress In NeutralLa Femme - 30164 Quarter-Length Sleeves Mermaid Dress In Neutral
La Femme 30164 Sale price$ 8,761 Regular price$ 14,237
Mac Duggal - 5502 Sequined V-Neck A-Line Dress In PurpleMac Duggal - 5502 Sequined V-Neck A-Line Dress In Purple
Mac Duggal 5502 Sale Sale price$ 7,145 Regular price$ 13,516
GLS by Gloria GL3260 Royal BlueGLS by Gloria GL3260 Royal Blue
GLS by Gloria GL3260 Sale price$ 4,995 Regular price$ 9,990
SCALA 61404 SliverSCALA 61404 Sliver
SCALA 61404 Sale price$ 10,618
Alyce Paris 61570 EmeraldAlyce Paris 61570 Emerald
Alyce Paris 61570 Sale price$ 11,980
May Queen MQ2123 BlackMay Queen MQ2123 Black
May Queen MQ2123 Sale price$ 3,500 Regular price$ 6,518
May Queen MQ1909 BlueMay Queen MQ1909 Blue
May Queen MQ1909 Sale price$ 2,004 Regular price$ 3,927
Mac Duggal - 20262 Bell Sleeve Embroidered A-Line Gown In PinkMac Duggal - 20262 Bell Sleeve Embroidered A-Line Gown In Pink
Mac Duggal 20262 Sale price$ 14,865
SCALA 60286 ChampagneSCALA 60286 Champagne
SCALA 60286 Sale price$ 10,084
Atria 6861HAtria 6861H
Atria 6861H Sale price$ 9,175
Andrea and Leo A1176 BlushAndrea and Leo A1176 Blush
Andrea and Leo A1176 Sale price$ 17,816
Clarisse 810530 LilacClarisse 810530 Lilac
Clarisse 810530 Sale price$ 12,341
Faviana S10811 GreenFaviana S10811 Green
Faviana S10811 Sale price$ 5,556
Faviana 11217 LipstickFaviana 11217 Lipstick
Faviana 11217 Sale price$ 8,534

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!