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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 filterSilkRemove filterPolyesterRemove filterWoolRemove filter
19 items
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    Lauren by Ralph Lauren Cocktail Dress (view 2)Lauren by Ralph Lauren Cocktail Dress (view 1)
    View Product: Lauren by Ralph Lauren Cocktail Dress

    Lauren by Ralph Lauren

    Cocktail Dress
    Size 2
    $138.99 $104.24 25% off with code THRIFT25
    72% 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 2
    $89.99
    23% 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 2
    $79.99 $59.99 25% off with code THRIFT25
    68% off estimated retail
    Alfred Angelo Cocktail Dress (view 2)Alfred Angelo Cocktail Dress (view 1)
    View Product: Alfred Angelo Cocktail Dress

    Alfred Angelo

    Cocktail Dress
    Size 2
    $52.99 $39.74 25% off with code THRIFT25
    72% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Ann Taylor Cocktail Dress (view 2)Ann Taylor Cocktail Dress (view 1)
    View Product: Ann Taylor Cocktail Dress

    Ann Taylor

    Cocktail Dress
    Size 2
    $42.99 $32.24 25% off with code THRIFT25
    75% off estimated retail
    BCBGMAXAZRIA Cocktail Dress (view 2)BCBGMAXAZRIA Cocktail Dress (view 1)
    View Product: BCBGMAXAZRIA Cocktail Dress

    BCBGMAXAZRIA

    Cocktail Dress
    Size 2
    $49.99 $37.49 25% off with code THRIFT25
    86% off estimated retail
    Laundry by Shelli Segal Cocktail Dress (view 2)Laundry by Shelli Segal Cocktail Dress (view 1)New With Tags
    View Product: Laundry by Shelli Segal Cocktail Dress

    Laundry by Shelli Segal

    Cocktail Dress
    Size 2
    $52.99 $39.74 25% off with code THRIFT25
    76% off estimated retail
    Carmen Marc Valvo Cocktail Dress (view 2)Carmen Marc Valvo Cocktail Dress (view 1)
    View Product: Carmen Marc Valvo Cocktail Dress

    Carmen Marc Valvo

    Cocktail Dress
    Size 2
    $134.99 $101.24 25% off with code THRIFT25
    78% 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 2
    $53.99 $40.49 25% off with code THRIFT25
    75% off estimated retail
    Maggy London Cocktail Dress (view 2)Maggy London Cocktail Dress (view 1)
    View Product: Maggy London Cocktail Dress

    Maggy London

    Cocktail Dress
    Size 2
    $39.99 $29.99 25% off with code THRIFT25
    79% 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 2
    $51.99 $38.99 25% off with code THRIFT25
    76% off estimated retail
    David's Bridal Cocktail Dress (view 2)David's Bridal Cocktail Dress (view 1)Flawed Gem
    View Product: David's Bridal Cocktail Dress

    David's Bridal

    Cocktail Dress
    Size 2
    $27.99 $20.99 25% off with code THRIFT25
    81% off estimated retail
    Cache Cocktail Dress (view 2)Cache Cocktail Dress (view 1)
    View Product: Cache Cocktail Dress

    Cache

    Cocktail Dress
    Size 2
    $26.99 $20.24 25% off with code THRIFT25
    71% off estimated retail
    Anne Klein Cocktail Dress (view 2)Anne Klein Cocktail Dress (view 1)
    View Product: Anne Klein Cocktail Dress

    Anne Klein

    Cocktail Dress
    Size 2
    $35.99 $26.99 25% off with code THRIFT25
    71% off estimated retail
    Bill Levkoff Cocktail Dress (view 2)Bill Levkoff Cocktail Dress (view 1)
    View Product: Bill Levkoff Cocktail Dress

    Bill Levkoff

    Cocktail Dress
    Size 2
    $33.99 $25.49 25% off with code THRIFT25
    78% off estimated retail
    Marc Bouwer Glamit! Cocktail Dress (view 2)Marc Bouwer Glamit! Cocktail Dress (view 1)Price Drop
    View Product: Marc Bouwer Glamit! Cocktail Dress

    Marc Bouwer Glamit!

    Cocktail Dress
    Size 2
    $80.99 $60.74 25% off with code THRIFT25
    81% off estimated retail
    White House Black Market Cocktail Dress (view 2)White House Black Market Cocktail Dress (view 1)Price Drop
    View Product: White House Black Market Cocktail Dress

    White House Black Market

    Cocktail Dress
    Size 2
    $71.99 $53.99 25% off with code THRIFT25
    77% off estimated retail
    Maggy London Cocktail Dress (view 2)Maggy London Cocktail Dress (view 1)
    View Product: Maggy London Cocktail Dress

    Maggy London

    Cocktail Dress
    Size 2
    $16.99 $12.74 25% off with code THRIFT25
    91% off estimated retail
    White House Black Market Cocktail Dress (view 2)White House Black Market Cocktail Dress (view 1)Price Drop
    View Product: White House Black Market Cocktail Dress

    White House Black Market

    Cocktail Dress
    Size 2
    $48.99 $36.74 25% off with code THRIFT25
    84% off estimated retail
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