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Long Formal Party Dresses & Formal Prom Gowns

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Ladivine CD717Ladivine CD717
Ladivine CD717 Sale priceCHF 246
Ladivine CK2405Ladivine CK2405
Ladivine CK2405 Sale priceCHF 199
Ladivine CD733Ladivine CD733
Ladivine CD733 Sale priceCHF 300
Ladivine KV1129Ladivine KV1129
Ladivine KV1129 Sale priceCHF 344
Ladivine KV1130Ladivine KV1130
Ladivine KV1130 Sale priceCHF 442
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 priceCHF 442
Woman wearing a blue evening gown with intricate top design, standing outdoors under a tree.Woman in a blue evening gown with lace-up back standing outdoors.
Faviana 11467 Sale priceCHF 409
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 priceCHF 295
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 priceCHF 393
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 priceCHF 442
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 priceCHF 459
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 priceCHF 409
Faviana 11414Faviana 11414
Faviana 11414 Sale priceCHF 409
Sold outWoman wearing a blue evening gown with intricate detailing in front of a stone building, branded with FAVIANA.Woman wearing a navy blue evening gown with cut-out design, standing in front of a stone building.
Faviana 11413 Sale priceCHF 442
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 priceCHF 534
Sold outLa Femme 32326 Hot FuchsiaLa Femme 32326 Hot Fuchsia
La Femme 32326 - MF Sale priceCHF 394
Sold outPS25157-Red EmeraldPS25157-Black
Sold outPortia and Scarlett PS25315 IvoryPortia and Scarlett PS25315 Lilac
Sold outLa Femme 32245 Dark EmeraldLa Femme 32245 Dark Emerald
La Femme 32245 - MF Sale priceCHF 293
Sold outLa Femme 32214 Light PeriwinkleLa Femme 32214 Light Periwinkle
La Femme 32214-MF Sale priceCHF 352
Sold outLa Femme 31577 GreenLa Femme 31577 Green
La Femme 31577-MF Sale priceCHF 476
Sold outLadivine CD742Ladivine CD742 Sage
Ladivine CD742 Sale priceCHF 246
Sold outLadivine CD740Ladivine CD740
Ladivine CD740 Sale priceCHF 263
Ladivine CD384 Dusty RoseLadivine CD384 Dusty Rose
Ladivine CD384 Sale priceCHF 145
Sold outElizabeth K GL3552 NavyElizabeth K GL3552 Navy
Elizabeth K GL3552 Sale priceCHF 1,098
Sold outElizabeth K GL3625 SageElizabeth K GL3625 Sage
Elizabeth K GL3625 Sale priceCHF 155
Sold outElizabeth K GL3623 BlackElizabeth K GL3623 Black
Elizabeth K GL3623 Sale priceCHF 265
Sold outElizabeth K GL3621 ChampagneElizabeth K GL3621 Champagne
Elizabeth K GL3621 Sale priceCHF 285
Sold outElizabeth K GL3595 RedElizabeth K GL3595 Black
Elizabeth K GL3595 Sale priceCHF 183
Sold outPS25167-Lilac-Blue
Sold outPortia and Scarlett PS25172 Blue ABPortia and Scarlett PS25172 Blue AB
Sold outPortia and Scarlett PS25199 BlushPortia and Scarlett PS25199
Sold outLadivine CD797 BlackLadivine CD797 Black
Ladivine CD797 Sale priceCHF 154
Ladivine KV1131Ladivine KV1131
Ladivine KV1131 Sale priceCHF 255
Sold outLadivine CD716Ladivine CD716
Ladivine CD716 Sale priceCHF 505
Portia and Scarlett PS25294 Pink
Portia and Scarlett PS25294 Sale priceCHF 594
Sold outAlyce Paris 61971 ChampagneAlyce Paris 61971 Champagne
Alyce Paris 61971 Sale priceCHF 678
Sold outAlyce Paris 61920 PistachioAlyce Paris 61920 Pistachio
Alyce Paris 61920 Sale priceCHF 316
Sold outAlyce Paris 61830 RedAlyce Paris 61830 Red
Alyce Paris 61830 Sale priceCHF 357
Sold outAlyce Paris 61782 RoyalAlyce Paris 61782 Royal
Alyce Paris 61782 Sale priceCHF 493
Sold outAlyce Paris 61781 Purple MultiAlyce Paris 61781 Purple Multi
Alyce Paris 61781 Sale priceCHF 357
Sold outAlyce Paris 61773 BlackAlyce Paris 61773 Black
Alyce Paris 61773 Sale priceCHF 124 Regular priceCHF 266
Sold outAlyce Paris 61768 MidnightAlyce Paris 61768 Midnight
Alyce Paris 61768 Sale priceCHF 316
Sold outAlyce Paris 61751 Glacier BlueAlyce Paris 61751 Glacier Blue
Alyce Paris 61751 Sale priceCHF 132 Regular priceCHF 333
Sold outAlyce Paris 61749 Light BlueAlyce Paris 61749 Light Blue
Alyce Paris 61749 Sale priceCHF 391
Sold outAlyce Paris 61731 PinkAlyce Paris 61731 Pink
Alyce Paris 61731 Sale priceCHF 481
Sold outAlyce Paris 61489 RedAlyce Paris 61489 Red
Alyce Paris 61489 - MF Sale priceCHF 263
Sold outAlyce Paris 1813 Vintage RoseAlyce Paris 1813 Vintage Rose
Alyce Paris 1813 Sale priceCHF 503

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!