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Long Formal Party Dresses & Formal Prom Gowns

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Terani Couture 252E5181Terani Couture 252E5181
Terani Couture 252E5181 Sale price$1,002.83 CAD
Terani Couture 252E5164Terani Couture 252E5164
Terani Couture 252E5164 Sale price$724.27 CAD
Terani Couture 252E5134Terani Couture 252E5134
Terani Couture 252E5134 Sale price$1,281.40 CAD
Terani Couture 252E5140Terani Couture 252E5140
Terani Couture 252E5140 Sale price$1,132.83 CAD
Terani Couture 252E5108Terani Couture 252E5108
Terani Couture 252E5108 Sale price$1,188.54 CAD
Terani Couture 252M5357Terani Couture 252M5357
Terani Couture 252M5357 Sale price$1,281.40 CAD
Terani Couture 252M5359Terani Couture 252M5359
Terani Couture 252M5359 Sale price$1,151.40 CAD
Terani Couture 252M5324Terani Couture 252M5324
Terani Couture 252M5324 Sale price$1,169.97 CAD
Terani Couture 252E5159Terani Couture 252E5159
Terani Couture 252E5159 Sale price$872.84 CAD
Terani Couture 252E5150Terani Couture 252E5150
Terani Couture 252E5150 Sale price$742.84 CAD
Terani Couture 252E5129Terani Couture 252E5129
Terani Couture 252E5129 Sale price$1,058.55 CAD
Terani Couture 252E5138Terani Couture 252E5138
Terani Couture 252E5138 Sale price$984.26 CAD
Terani Couture 252M5310Terani Couture 252M5310
Terani Couture 252M5310 Sale price$1,281.40 CAD
Terani Couture 252E5180Terani Couture 252E5180
Terani Couture 252E5180 Sale price$947.12 CAD
Terani Couture 252M5364Terani Couture 252M5364
Terani Couture 252M5364 Sale price$724.27 CAD
Terani Couture 252E5175Terani Couture 252E5175
Terani Couture 252E5175 Sale price$1,132.83 CAD
Terani Couture 252E5149Terani Couture 252E5149
Terani Couture 252E5149 Sale price$1,541.39 CAD
Terani Couture 252GL5205Terani Couture 252GL5205
Terani Couture 252GL5205 Sale price$1,467.11 CAD
Terani Couture 252E5169Terani Couture 252E5169
Terani Couture 252E5169 Sale price$1,077.12 CAD
Terani Couture 252E5102Terani Couture 252E5102
Terani Couture 252E5102 Sale price$854.27 CAD
Terani Couture 252M5312Terani Couture 252M5312
Terani Couture 252M5312 Sale price$854.27 CAD
Terani Couture 252E5116Terani Couture 252E5116
Terani Couture 252E5116 Sale price$1,039.98 CAD
Terani Couture 252M5342Terani Couture 252M5342
Terani Couture 252M5342 Sale price$1,021.41 CAD
Terani Couture 252E5103Terani Couture 252E5103
Terani Couture 252E5103 Sale price$1,021.41 CAD
Terani Couture 252M5309Terani Couture 252M5309
Terani Couture 252M5309 Sale price$1,207.12 CAD
Terani Couture 252E5119Terani Couture 252E5119
Terani Couture 252E5119 Sale price$705.70 CAD
Terani Couture 252M5326Terani Couture 252M5326
Terani Couture 252M5326 Sale price$817.12 CAD
Terani Couture 252E5145Terani Couture 252E5145
Terani Couture 252E5145 Sale price$1,058.55 CAD
Terani Couture 252E5125Terani Couture 252E5125
Terani Couture 252E5125 Sale price$1,411.40 CAD
Terani Couture 252E5188Terani Couture 252E5188
Terani Couture 252E5188 Sale price$1,077.12 CAD
Terani Couture 252M5316Terani Couture 252M5316
Terani Couture 252M5316 Sale price$1,281.40 CAD
Terani Couture 252E5147Terani Couture 252E5147
Terani Couture 252E5147 Sale price$1,392.83 CAD
Terani Couture 252E5174Terani Couture 252E5174
Terani Couture 252E5174 Sale price$909.98 CAD
Terani Couture 252M5521Terani Couture 252M5521
Terani Couture 252M5521 Sale price$1,392.83 CAD
Terani Couture 252M5338Terani Couture 252M5338
Terani Couture 252M5338 Sale price$1,058.55 CAD
Terani Couture 252M5503Terani Couture 252M5503
Terani Couture 252M5503 Sale price$947.12 CAD
Terani Couture 252M5356Terani Couture 252M5356
Terani Couture 252M5356 Sale price$1,244.26 CAD
Terani Couture 252M5520Terani Couture 252M5520
Terani Couture 252M5520 Sale price$1,039.98 CAD
Terani Couture 252E5144Terani Couture 252E5144
Terani Couture 252E5144 Sale price$1,262.83 CAD
Terani Couture 252E5171Terani Couture 252E5171
Terani Couture 252E5171 Sale price$1,355.68 CAD
Terani Couture 252E5513Terani Couture 252E5513
Terani Couture 252E5513 Sale price$947.12 CAD
Terani Couture 252E5200Terani Couture 252E5200
Terani Couture 252E5200 Sale price$649.99 CAD
Terani Couture 252E5512Terani Couture 252E5512
Terani Couture 252E5512 Sale price$928.55 CAD
Terani Couture 252E5516Terani Couture 252E5516
Terani Couture 252E5516 Sale price$1,002.83 CAD
Terani Couture 252E5532Terani Couture 252E5532
Terani Couture 252E5532 Sale price$1,244.26 CAD
Terani Couture 252E5544Terani Couture 252E5544
Terani Couture 252E5544 Sale price$965.69 CAD
Terani Couture 252E5551Terani Couture 252E5551
Terani Couture 252E5551 Sale price$835.70 CAD
Terani Couture 252E5546Terani Couture 252E5546
Terani Couture 252E5546 Sale price$1,132.83 CAD

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!