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Long Formal Party Dresses & Formal Prom Gowns

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Mac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In BlushMac Duggal - 11165D Long Sleeve Beaded Trumpet Gown In Blush
Mac Duggal 11165 Sale Sale price$398 USD Regular price$796 USD
Ladivine CH225Ladivine CH225
Ladivine CH225 Sale price$139 USD
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Ladivine CF199 Sale price$88 USD Regular price$191 USD
Clarisse 810755Clarisse 810755
Clarisse 810755 Sale price$412 USD
Portia and Scarlett PS26033Portia and Scarlett PS26033
Portia and Scarlett PS26033 Sale price$789 USD
Sold outIeena Duggal 70100 BlackIeena Duggal 70100 Black
Ieena Duggal 70100-MF Sale price$231 USD Regular price$375 USD
Sold outLadivine CC2488Ladivine CC2488
Ladivine CC2488 Sale price$450 USD
Ladivine CD717Ladivine CD717
Ladivine CD717 Sale price$279 USD
Ladivine CK2405Ladivine CK2405
Ladivine CK2405 Sale price$225 USD
Ladivine CD733Ladivine CD733
Ladivine CD733 Sale price$340 USD
Ladivine KV1129Ladivine KV1129
Ladivine KV1129 Sale price$389 USD
Ladivine KV1130Ladivine KV1130
Ladivine KV1130 Sale price$498 USD
Ladivine CDS549Ladivine CDS549
Ladivine CDS549 Sale price$249 USD
Sold outLadivine 7451WLadivine 7451W
Ladivine 7451W Sale price$195 USD
Woman wearing a purple evening gown with a slit on a white background, branded 'Faviana'.Purple evening gown with lace detailing on a white background, featuring the Faviana brand.
Faviana 9608 Sale price$498 USD
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 price$498 USD
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 price$448 USD
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 price$538 USD
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 price$498 USD
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 price$498 USD
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 price$538 USD
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 price$358 USD
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 price$398 USD
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 price$478 USD
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 price$578 USD
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 price$578 USD
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 price$538 USD
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 price$558 USD
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 price$498 USD
Woman wearing a green evening gown with floral embroidery on a white background, branded 'Faviana'.Woman wearing a burgundy evening gown with lace details, backless design, and open front on a white background. Brand 'Faviana' visible.
Faviana 11428 Sale price$538 USD
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 price$498 USD
Woman wearing a pink strapless gown with Faviana logoWoman wearing a pink evening gown with 'Faviana' branding on a white background
Faviana 11418 Sale price$498 USD
Faviana 11414Faviana 11414
Faviana 11414 Sale price$498 USD
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 price$538 USD
Woman wearing a red strapless gown with a slit on a white background, branded 'Faviana'.Red evening gown with open back on a white background, featuring the Faviana brand.
Faviana 11410 Sale price$650 USD
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 price$650 USD
Sold outLa Femme 32326 Hot FuchsiaLa Femme 32326 Hot Fuchsia
La Femme 32326 - MF Sale price$442 USD
Sold outMac Duggal 20372 ChocolateMac Duggal 20372 Chocolate
Mac Duggal 20372 - MF Sale price$798 USD Regular price$1,596 USD
Sold outMac Duggal 67871 MidnightMac Duggal 67871 Midnight
Mac Duggal 67871 - MF Sale price$598 USD Regular price$1,196 USD
Sold outPS25157-Red EmeraldPS25157-Black
Sold outPortia and Scarlett PS25255 Hot PinkPortia and Scarlett PS25255 Hot Pink
Sold outPortia and Scarlett PS25208 PinkPortia and Scarlett PS25208 - MF
Sold outFaviana 11229 Light BlueFaviana 11229 Light Blue
Faviana 11229-MF Sale price$518 USD
Sold outFaviana 11218 AquaFaviana 11218 Lipstick
Faviana 11218-MF Sale price$498 USD
Sold outLa Femme 31575 PinkLa Femme 31575 Pink
La Femme 31575 - MF Sale price$331 USD
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 price$329 USD
Sold outLa Femme 32214 Light PeriwinkleLa Femme 32214 Light Periwinkle
La Femme 32214-MF Sale price$395 USD

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!