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Long Formal Party Dresses & Formal Prom Gowns

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Sold outWoman wearing a blue evening gown with lace detailing on a white background, branded 'Faviana'.Blue evening gown with lace detailing on a white background, featuring the Faviana brand.
Faviana 9603 Sale price170.400 Ft
Sold outWoman wearing a black evening gown with sequin top on a white background, branded 'Faviana'.Woman wearing a black evening gown with lace detailing on a white background, branded 'Faviana'.
Faviana 9606 Sale price153.200 Ft
Sold outWoman wearing a pink evening gown with a slit on a white background, branded 'Faviana'.Woman wearing a pink dress with Faviana branding on a white background
Faviana 9604 Sale price184.100 Ft
Sold outWoman wearing a green evening gown with 'Faviana' branding on a white backgroundWoman wearing a green evening gown with lace detailing, branded 'Faviana', on a white background.
Faviana 9600 Sale price170.400 Ft
Sold outWoman wearing a red evening gown with a high slit on a white background, branded 'Faviana'.Woman wearing a red evening gown with 'Faviana' branding on a white background
Faviana 11463 Sale price184.100 Ft
Woman in a navy strapless gown with a high slit standing outdoors near stone walls and greenery.Woman in a black evening gown standing against a stone wall with 'Taviana' branding.
Faviana 11458 Sale price122.600 Ft
Sold outWoman wearing a teal strapless gown with ruffled layers outdoors.Teal evening gown with ruffled layers and open back, modelled outdoors.
Faviana 11457 Sale price136.300 Ft
Sold outWoman wearing a blue evening gown with lace bodice in front of a stone building.Woman wearing a blue evening gown with lace detailing in front of a stone building, branded 'Faviana'.
Faviana 11415 Sale price163.500 Ft
Sold outWoman wearing a strapless, long, beige dress with a slit on a white background, branded 'Faviana'.Woman wearing a strapless, long, beige evening gown on a white background with Faviana branding.
Faviana 11446 Sale price197.800 Ft
Sold outWoman in a lavender evening gown standing in a garden with Faviana branding.Woman in a lavender lace dress walking through a garden with 'Faviana' branding.
Faviana 11444 Sale price197.800 Ft
Sold outWoman wearing a light blue evening gown with beaded details outdoors.Woman in a light blue evening gown with floral embellishments, standing outdoors.
Faviana 11439 Sale price184.100 Ft
Woman in a yellow evening gown standing outdoors near a stone wall.Woman in a yellow dress standing against a stone wall with greenery in the background, FAVIANA brand visible.
Faviana 11438 Sale price191.000 Ft
Sold outWoman in a red evening gown standing outdoors with FAVIANA branding.Woman wearing a red evening gown with 'Faviana' branding in an outdoor setting.
Faviana 11435 Sale price163.500 Ft
Sold outWoman in a blue evening gown standing outdoors with greenery in the background, FAVIANA brand visible.Woman wearing a blue evening gown with a stone wall and greenery in the background, featuring the brand 'Faviana'.
Faviana 11433 Sale price170.400 Ft
Woman in a black evening gown standing outdoors with 'Faviana' branding.Woman in a black evening gown with open back standing outdoors.
Faviana 11424 Sale price170.400 Ft
Woman wearing a pink strapless gown with Faviana logoWoman wearing a pink evening gown with 'Faviana' branding on a white background
Faviana 11418 Sale price170.400 Ft
Faviana 11414Faviana 11414
Faviana 11414 Sale price170.400 Ft
Sold outWoman wearing a light blue lace dress with a slit, branded 'Faviana', on a white background.Woman wearing a light blue evening gown with a backless design, on a white background with 'Faviana' branding.
Faviana 11409 Sale price222.400 Ft
Sold outLa Femme 32326 Hot FuchsiaLa Femme 32326 Hot Fuchsia
La Femme 32326 - MF Sale price164.000 Ft
Sold outMac Duggal 20372 ChocolateMac Duggal 20372 Chocolate
Mac Duggal 20372 - MF Sale price142.000 Ft
Sold outPS25157-Red EmeraldPS25157-Black
Portia and Scarlett PS25157 - MF Sale price159.400 Ft
Sold outPortia and Scarlett PS25208 PinkPortia and Scarlett PS25208 - MF
Portia and Scarlett PS25208 - MF Sale price219.700 Ft
Sold outLa Femme 31575 PinkLa Femme 31575 Pink
La Femme 31575 - MF Sale price122.800 Ft
Sold outPortia and Scarlett PS25315 IvoryPortia and Scarlett PS25315 Lilac
Portia and Scarlett PS25315 - MF Sale price213.300 Ft
Sold outLa Femme 32245 Dark EmeraldLa Femme 32245 Dark Emerald
La Femme 32245 - MF Sale price122.100 Ft
Sold outLa Femme 32214 Light PeriwinkleLa Femme 32214 Light Periwinkle
La Femme 32214-MF Sale price146.600 Ft
Sold outLa Femme 31359 BlackLa Femme 31359 Black
La Femme 31359-MF Sale price154.500 Ft
Sold outPS25156-PinkPS25156-White Blue Purple
Portia and Scarlett PS25156 -MF Sale price210.100 Ft
Sold outFaviana S10634 In YellowFaviana S10634 In Yellow
Faviana S10634-MF Sale price162.800 Ft
Sold outLa Femme 33047 BronzeLa Femme 33047 Bronze
La Femme 33047 Sale price122.600 Ft
Sold outPS25167-Lilac-Blue
Portia and Scarlett PS25167-MF Sale price213.300 Ft
Sold outPortia and Scarlett PS25172 Blue ABPortia and Scarlett PS25172 Blue AB
Portia and Scarlett PS25172-MF Sale price222.800 Ft
Sold outPortia and Scarlett PS25199 BlushPortia and Scarlett PS25199
Portia and Scarlett PS25199-MF Sale price206.900 Ft
Sold outLadivine J888Ladivine J888
Ladivine J888 Sale price91.000 Ft
Ladivine KV1131Ladivine KV1131
Ladivine KV1131 Sale price106.200 Ft
Sold outLadivine J874 GraphiteLadivine J874 Graphite
Ladivine J874 Sale price74.300 Ft
Sold outLadivine CDS482W Off WhiteLadivine CDS482W Off White
Ladivine CDS482W Sale price163.500 Ft
Sold outFaviana 11004 Light Pinkvideowise-widget-6675879ca76a3d00290aacea-9942144975041
Faviana 11004-MF Sale price178.500 Ft
Sold outMac Duggal 10771 In BlackMac Duggal 10771 In Black
Mac Duggal 10771-MF Sale price177.000 Ft
Sold outAlyce Paris 61830 RedAlyce Paris 61830 Red
Alyce Paris 61830 Sale price148.800 Ft
Sold outAlyce Paris 61823 RaspberryAlyce Paris 61823 Raspberry
Alyce Paris 61823 Sale price72.800 Ft
Sold outMac Duggal 5619 NudeMac Duggal 5619 Nude
Mac Duggal 5619 - MF Sale price177.000 Ft
Sold outMac Duggal 20428 BlackMac Duggal 20428 Black
Mac Duggal 20428 Sale Sale price142.000 Ft
Mac Duggal 678641 MochaMac Duggal 678641 Mocha
Mac Duggal 678641 Sale price96.900 Ft
Sold outMac Duggal 506581 SapphireMac Duggal 506581 Sapphire
Mac Duggal 506581 Sale price136.100 Ft
Sold outMac Duggal 68746 Multi BlackMac Duggal 68746 Multi Black
Mac Duggal 68746 Sale price204.500 Ft
Sold outAlyce Paris 61489 RedAlyce Paris 61489 Red
Alyce Paris 61489 - MF Sale price109.600 Ft
Sold outLadivine CD811 BlueLadivine CD811 Black
Ladivine CD811-MF Sale price121.600 Ft

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!