Whether heading to the red carpet or taking the time for a long-overdue date night, we all need a few go-to formal dresses for special occasions. Find a one-of-a-kind look that makes you sparkle for up to 90% less at thredUP.
1,287 items
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Show Me Your Mumu
Cocktail Dress
Size Sm
$85.99 $25.80 70% off with code HOTDEAL
70% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XXL
$70.99 $35.50 50% off with code HOTDEAL
70% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Med
$83.99 $33.60 60% off with code HOTDEAL
69% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XL
$80.99 $40.50 50% off with code HOTDEAL
66% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$83.99 $29.40 65% off with code HOTDEAL
71% off estimated retail
White by Vera Wang
Cocktail Dress
Size 6
$150.99 $75.50 50% off with code HOTDEAL
20% off estimated retail
May Queen Couture
Cocktail Dress
Size 4
$253.99 $203.19 20% off with code HOTDEAL
20% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 2
$69.99 $41.99 40% off with code HOTDEAL
72% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 0
$92.99 $51.14 45% off with code HOTDEAL
62% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XXS
$93.99 $37.60 60% off with code HOTDEAL
68% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$85.99 $25.80 70% off with code HOTDEAL
70% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$81.99 $28.70 65% off with code HOTDEAL
72% off estimated retail
Christina Wu Celebrations
Cocktail Dress
Size 4
$61.99 $40.29 35% off with code HOTDEAL
71% off estimated retail
Hayley Paige Occasions
Cocktail Dress
Size 8
$78.99 $35.55 55% off with code HOTDEAL
81% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 0
$51.99 $31.19 40% off with code HOTDEAL
84% off estimated retail
Dessy Collection
Cocktail Dress
Size XXS
$54.99 $27.50 50% off with code HOTDEAL
78% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$87.99 $26.40 70% off with code HOTDEAL
69% off estimated retail
French Connection
Cocktail Dress
Size 0
$29.99 $12.00 60% off with code HOTDEAL
81% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$89.99 $27.00 70% off with code HOTDEAL
69% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Med
$87.99 $35.20 60% off with code HOTDEAL
68% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$83.99 $29.40 65% off with code HOTDEAL
71% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$113.99 $39.90 65% off with code HOTDEAL
61% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$91.99 $32.20 65% off with code HOTDEAL
68% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$95.99 $28.80 70% off with code HOTDEAL
67% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$74.99 $22.50 70% off with code HOTDEAL
74% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$85.99 $30.10 65% off with code HOTDEAL
70% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$83.99 $25.20 70% off with code HOTDEAL
71% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$89.99 $27.00 70% off with code HOTDEAL
69% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Med
$92.99 $37.20 60% off with code HOTDEAL
66% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$93.99 $28.20 70% off with code HOTDEAL
68% off estimated retail
White House Black Market
Cocktail Dress
Size 00
$83.99 $46.19 45% off with code HOTDEAL
73% off estimated retail
Galina Signature
Cocktail Dress
Size 10
$182.99 $128.09 30% off with code HOTDEAL
23% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$90.99 $27.30 70% off with code HOTDEAL
69% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size XS
$81.99 $28.70 65% off with code HOTDEAL
72% off estimated retail
Dessy Collection
Cocktail Dress
Size XS
$54.99 $32.99 40% off with code HOTDEAL
78% off estimated retail
Jenny Yoo Collection
Cocktail Dress
Size 0
$99.99 $30.00 70% off with code HOTDEAL
74% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 6
$75.99 $41.79 45% off with code HOTDEAL
77% off estimated retail
Dessy Collection
Cocktail Dress
Size 0
$110.99 $33.30 70% off with code HOTDEAL
56% off estimated retail
Dessy Collection
Cocktail Dress
Size 0
$101.99 $35.70 65% off with code HOTDEAL
59% off estimated retail
Amsale
Blush Strapless Gown
Size 18 Plus
$92.99 $37.20 60% off with code HOTDEAL
75% off estimated retail
White House Black Market
Cocktail Dress
Size 4
$91.99 $64.39 30% off with code HOTDEAL
74% off estimated retail
Show Me Your Mumu
Cocktail Dress
Size Sm
$104.99 $31.50 70% off with code HOTDEAL
53% off estimated retail
Dessy Collection
Cocktail Dress
Size 16
$126.99 $69.84 45% off with code HOTDEAL
43% off estimated retail
White House Black Market
Cocktail Dress
Size 4
$80.99 $56.69 30% off with code HOTDEAL
77% off estimated retail
Dessy Collection
Cocktail Dress
Size 0
$107.99 $32.40 70% off with code HOTDEAL
57% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 0
$110.99 $44.40 60% off with code HOTDEAL
57% off estimated retail
White House Black Market
Cocktail Dress
Size 4
$100.99 $60.59 40% off with code HOTDEAL
72% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 4
$121.99 $48.80 60% off with code HOTDEAL
84% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 2
$50.99 $20.40 60% off with code HOTDEAL
84% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 2
$61.99 $24.80 60% off with code HOTDEAL
81% off estimated retail
Lela Rose Bridesmaid
Cocktail Dress
Size 2
$261.99 $183.39 30% off with code HOTDEAL
83% off estimated retail
Monique Lhuillier Bridesmaid
Blush Amelia Gown
Size 2
$64.99 $22.75 65% off with code HOTDEAL
82% off estimated retail
Monique Lhuillier Bridesmaid
Grey Gwen Gown
Size 4
$56.99 $19.95 65% off with code HOTDEAL
82% off estimated retail
White House Black Market
Cocktail Dress
Size 0
$55.99 $36.39 35% off with code HOTDEAL
84% off estimated retail
Laundry by Design
Cocktail Dress
Size 6
$39.99 $25.99 35% off with code HOTDEAL
76% off estimated retail
Monique Lhuillier Bridesmaid
Grey Gwen Gown
Size 4
$63.99 $19.20 70% off with code HOTDEAL
80% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 4
$65.99 $23.10 65% off with code HOTDEAL
80% off estimated retail
White House Black Market
Cocktail Dress
Size 00
$69.99 $31.50 55% off with code HOTDEAL
78% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 8
$73.99 $29.60 60% off with code HOTDEAL
78% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 4
$68.99 $20.70 70% off with code HOTDEAL
79% off estimated retail
White House Black Market
Cocktail Dress
Size 6
$64.99 $32.50 50% off with code HOTDEAL
81% off estimated retail
Mark + James by Badgley Mischka
Cocktail Dress
Size 0
$111.99 $61.59 45% off with code HOTDEAL
72% off estimated retail
Monique Lhuillier Bridesmaid
Grey Gwen Gown
Size 8
$61.99 $27.90 55% off with code HOTDEAL
82% off estimated retail
Monique Lhuillier Bridesmaid
Grey Gwen Gown
Size 4
$63.99 $22.40 65% off with code HOTDEAL
80% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 4
$63.99 $22.40 65% off with code HOTDEAL
80% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 4
$62.99 $22.05 65% off with code HOTDEAL
81% off estimated retail
Monique Lhuillier Bridesmaid
Pink Gwen Gown
Size 4
$64.99 $19.50 70% off with code HOTDEAL
80% off estimated retail
Marc Bouwer Glamit!
Cocktail Dress
Size 2
$91.99 $36.80 60% off with code HOTDEAL
82% off estimated retail
