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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.

FormalRemove filterKnee LengthRemove filter
25 items
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    Kay Unger Cocktail Dress (view 2)Kay Unger Cocktail Dress (view 1)
    View Product: Kay Unger Cocktail Dress

    Kay Unger

    Cocktail Dress
    Size 4
    $227.99
    28% off estimated retail
    JS Collection Cocktail Dress (view 2)JS Collection Cocktail Dress (view 1)New With Tags
    View Product: JS Collection Cocktail Dress

    JS Collection

    Cocktail Dress
    Size 4
    $54.99
    75% off estimated retail
    David's Bridal Cocktail Dress (view 2)David's Bridal Cocktail Dress (view 1)
    View Product: David's Bridal Cocktail Dress

    David's Bridal

    Cocktail Dress
    Size 4
    $47.99
    74% off estimated retail
    Jenny Yoo Collection Cocktail Dress (view 2)Jenny Yoo Collection Cocktail Dress (view 1)
    View Product: Jenny Yoo Collection Cocktail Dress

    Jenny Yoo Collection

    Cocktail Dress
    Size 4
    $89.99
    70% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Betsy & Adam Cocktail Dress (view 2)Betsy & Adam Cocktail Dress (view 1)
    View Product: Betsy & Adam Cocktail Dress

    Betsy & Adam

    Cocktail Dress
    Size 4
    $54.99
    78% off estimated retail
    BR STANDARD Cocktail Dress (view 2)BR STANDARD Cocktail Dress (view 1)
    View Product: BR STANDARD Cocktail Dress

    BR STANDARD

    Cocktail Dress
    Size 4
    $22.99 $18.39 20% off with code THANKU
    64% off estimated retail
    Jones New York Cocktail Dress (view 2)Jones New York Cocktail Dress (view 1)
    View Product: Jones New York Cocktail Dress

    Jones New York

    Cocktail Dress
    Size 4
    $31.99 $22.39 30% off with code THANKU
    74% off estimated retail
    Laundry by Design Cocktail Dress (view 2)Laundry by Design Cocktail Dress (view 1)
    View Product: Laundry by Design Cocktail Dress

    Laundry by Design

    Cocktail Dress
    Size 4
    $36.99
    76% off estimated retail
    Laundry by Design Cocktail Dress (view 2)Laundry by Design Cocktail Dress (view 1)Flawed Gem
    View Product: Laundry by Design Cocktail Dress

    Laundry by Design

    Cocktail Dress
    Size 4
    $36.99
    76% off estimated retail
    Va Et Vien Cocktail Dress (view 2)Va Et Vien Cocktail Dress (view 1)
    View Product: Va Et Vien Cocktail Dress

    Va Et Vien

    Cocktail Dress
    Size 4
    $63.99 $51.19 20% off with code THANKU
    77% off estimated retail
    Alfred Sung Cocktail Dress (view 2)Alfred Sung Cocktail Dress (view 1)New With Tags
    View Product: Alfred Sung Cocktail Dress

    Alfred Sung

    Cocktail Dress
    Size 4
    $44.99 $35.99 20% off with code THANKU
    79% off estimated retail
    White House Black Market Cocktail Dress (view 2)White House Black Market Cocktail Dress (view 1)New With Tags
    View Product: White House Black Market Cocktail Dress

    White House Black Market

    Cocktail Dress
    Size 4
    $43.99 $24.19 45% off with code THANKU
    70% off estimated retail
    Amsale Cocktail Dress (view 2)Amsale Cocktail Dress (view 1)
    View Product: Amsale Cocktail Dress

    Amsale

    Cocktail Dress
    Size 4
    $74.99 $59.99 20% off with code THANKU
    76% off estimated retail
    J.Crew Cocktail Dress (view 2)J.Crew Cocktail Dress (view 1)
    View Product: J.Crew Cocktail Dress

    J.Crew

    Cocktail Dress
    Size 4
    $52.99 $42.39 20% off with code THANKU
    80% off estimated retail
    Xscape Cocktail Dress (view 2)Xscape Cocktail Dress (view 1)
    View Product: Xscape Cocktail Dress

    Xscape

    Cocktail Dress
    Size 4
    $34.99 $22.74 35% off with code THANKU
    81% off estimated retail
    Cynthia Steffe Cocktail Dress (view 2)Cynthia Steffe Cocktail Dress (view 1)
    View Product: Cynthia Steffe Cocktail Dress

    Cynthia Steffe

    Cocktail Dress
    Size 4
    $72.99 $51.09 30% off with code THANKU
    77% off estimated retail
    May Queen Couture Cocktail Dress (view 2)May Queen Couture Cocktail Dress (view 1)New With Tags
    View Product: May Queen Couture Cocktail Dress

    May Queen Couture

    Cocktail Dress
    Size 4
    $253.99 $203.19 20% off with code THANKU
    20% off estimated retail
    Chetta B Cocktail Dress (view 2)Chetta B Cocktail Dress (view 1)
    View Product: Chetta B Cocktail Dress

    Chetta B

    Cocktail Dress
    Size 4
    $41.99 $31.49 25% off with code THANKU
    73% off estimated retail
    Calvin Klein Cocktail Dress (view 2)Calvin Klein Cocktail Dress (view 1)Price Drop
    View Product: Calvin Klein Cocktail Dress

    Calvin Klein

    Cocktail Dress
    Size 4
    $57.99 $23.20 60% off with code THANKU
    71% off estimated retail
    The Limited Cocktail Dress (view 2)The Limited Cocktail Dress (view 1)
    View Product: The Limited Cocktail Dress

    The Limited

    Cocktail Dress
    Size 4
    $25.99 $18.19 30% off with code THANKU
    77% off estimated retail
    White House Black Market Cocktail Dress (view 2)White House Black Market Cocktail Dress (view 1)
    View Product: White House Black Market Cocktail Dress

    White House Black Market

    Cocktail Dress
    Size 4
    $79.99 $55.99 30% off with code THANKU
    74% off estimated retail
    Karen Millen Cocktail Dress (view 2)Karen Millen Cocktail Dress (view 1)Price Drop
    View Product: Karen Millen Cocktail Dress

    Karen Millen

    Cocktail Dress
    Size 4
    $46.99 $23.50 50% off with code THANKU
    78% off estimated retail
    BCBGMAXAZRIA Cocktail Dress (view 2)BCBGMAXAZRIA Cocktail Dress (view 1)Price Drop
    View Product: BCBGMAXAZRIA Cocktail Dress

    BCBGMAXAZRIA

    Cocktail Dress
    Size 4
    $49.99 $20.00 60% off with code THANKU
    86% off estimated retail
    Xscape by Joanna Chen Cocktail Dress (view 2)Xscape by Joanna Chen Cocktail Dress (view 1)Price Drop
    View Product: Xscape by Joanna Chen Cocktail Dress

    Xscape by Joanna Chen

    Cocktail Dress
    Size 4
    $15.99 $12.79 20% off with code THANKU
    89% off estimated retail
    Kay Unger Cocktail Dress (view 2)Kay Unger Cocktail Dress (view 1)Price Drop
    View Product: Kay Unger Cocktail Dress

    Kay Unger

    Cocktail Dress
    Size 4
    $31.99 $17.59 45% off with code THANKU
    89% off estimated retail
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