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From toddlers to preteens, girls appreciate having the perfect outfit. Whether the girls in your life are princesses or sports stars, thredUP has a nice selection of clothes to meet their preferences. Clothes don't grow™, your kids do—shop today to find amazing items at up to 90% off estimated retail!

NylonRemove filter18-24 moRemove filterKid Shoe Size 6½Remove filterKid Shoe Size 9½Remove filter
59 items
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    Primary Clothing Rash Guard (view 2)Primary Clothing Rash Guard (view 1)
    View Product: Primary Clothing Rash Guard

    Primary Clothing

    Rash Guard
    Size 18-24 mo
    $14.99 $8.24 45% off with code GOBIG
    44% off estimated retail
    Janie and Jack Cardigan (view 2)Janie and Jack Cardigan (view 1)New With Tags
    View Product: Janie and Jack Cardigan

    Janie and Jack

    Cardigan
    Size 18-24 mo
    $15.99 $8.79 45% off with code GOBIG
    69% off estimated retail
    Janie and Jack One Piece Swimsuit (view 2)Janie and Jack One Piece Swimsuit (view 1)
    View Product: Janie and Jack One Piece Swimsuit

    Janie and Jack

    One Piece Swimsuit
    Size 18-24 mo
    $19.99 $10.99 45% off with code GOBIG
    52% off estimated retail
    Janie and Jack One Piece Swimsuit (view 2)Janie and Jack One Piece Swimsuit (view 1)
    View Product: Janie and Jack One Piece Swimsuit

    Janie and Jack

    One Piece Swimsuit
    Size 18-24 mo
    $17.99 $9.89 45% off with code GOBIG
    57% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Ruffle Butts One Piece Swimsuit (view 2)Ruffle Butts One Piece Swimsuit (view 1)
    View Product: Ruffle Butts One Piece Swimsuit

    Ruffle Butts

    One Piece Swimsuit
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    $11
    Ruffle Butts Long Sleeve Onesie (view 2)Ruffle Butts Long Sleeve Onesie (view 1)
    View Product: Ruffle Butts Long Sleeve Onesie

    Ruffle Butts

    Long Sleeve Onesie
    Size 18-24 mo
    $10.99 $6.04 45% off with code GOBIG
    $11
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 18-24 mo
    $8.99 $4.94 45% off with code GOBIG
    50% off estimated retail
    Zara Pullover Sweater (view 2)Zara Pullover Sweater (view 1)
    View Product: Zara Pullover Sweater

    Zara

    Pullover Sweater
    Size 18-24 mo
    $14.99 $8.24 45% off with code GOBIG
    58% off estimated retail
    Janie and Jack Poncho (view 2)Janie and Jack Poncho (view 1)
    View Product: Janie and Jack Poncho

    Janie and Jack

    Poncho
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    75% off estimated retail
    Janie and Jack Jacket (view 2)Janie and Jack Jacket (view 1)
    View Product: Janie and Jack Jacket

    Janie and Jack

    Jacket
    Size 18-24 mo
    $22.99 $12.64 45% off with code GOBIG
    63% off estimated retail
    Hanna Andersson Wetsuit (view 2)Hanna Andersson Wetsuit (view 1)
    View Product: Hanna Andersson Wetsuit

    Hanna Andersson

    Wetsuit
    Size 18-24 mo
    $23.99 $13.19 45% off with code GOBIG
    46% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 18-24 mo
    $8.99 $4.94 45% off with code GOBIG
    71% off estimated retail
    Gymboree Leggings (view 2)Gymboree Leggings (view 1)
    View Product: Gymboree Leggings

    Gymboree

    Leggings
    Size 18-24 mo
    $10.99 $6.04 45% off with code GOBIG
    38% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    27% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 18-24 mo
    $22.99 $12.64 45% off with code GOBIG
    63% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 18-24 mo
    $13.99 $7.69 45% off with code GOBIG
    48% off estimated retail
    Zara Baby Casual Pants (view 2)Zara Baby Casual Pants (view 1)
    View Product: Zara Baby Casual Pants

    Zara Baby

    Casual Pants
    Size 18-24 mo
    $11.99 $6.59 45% off with code GOBIG
    58% off estimated retail
    Name It Pullover Sweater (view 2)Name It Pullover Sweater (view 1)
    View Product: Name It Pullover Sweater

    Name It

    Pullover Sweater
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    51% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    63% off estimated retail
    Janie and Jack Rash Guard (view 2)Janie and Jack Rash Guard (view 1)
    View Product: Janie and Jack Rash Guard

    Janie and Jack

    Rash Guard
    Size 18-24 mo
    $8.99 $4.94 45% off with code GOBIG
    71% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    72% off estimated retail
    The North Face Jacket (view 2)The North Face Jacket (view 1)
    View Product: The North Face Jacket

    The North Face

    Jacket
    Size 18-24 mo
    $33.99 $18.69 45% off with code GOBIG
    60% off estimated retail
    Janie and Jack Skirt (view 2)Janie and Jack Skirt (view 1)
    View Product: Janie and Jack Skirt

    Janie and Jack

    Skirt
    Size 18-24 mo
    $19.99 $10.99 45% off with code GOBIG
    55% off estimated retail
    Janie and Jack Vest (view 2)Janie and Jack Vest (view 1)
    View Product: Janie and Jack Vest

    Janie and Jack

    Vest
    Size 18-24 mo
    $16.99 $9.34 45% off with code GOBIG
    67% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 18-24 mo
    $20.99 $11.54 45% off with code GOBIG
    66% off estimated retail
    Gymboree Two Piece Swimsuit (view 2)Gymboree Two Piece Swimsuit (view 1)
    View Product: Gymboree Two Piece Swimsuit

    Gymboree

    Two Piece Swimsuit
    Size 18-24 mo
    $18.99 $10.44 45% off with code GOBIG
    29% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 18-24 mo
    $10.99 $6.04 45% off with code GOBIG
    73% off estimated retail
    Zara Baby Cardigan (view 2)Zara Baby Cardigan (view 1)
    View Product: Zara Baby Cardigan

    Zara Baby

    Cardigan
    Size 18-24 mo
    $13.99 $7.69 45% off with code GOBIG
    61% off estimated retail
    River Island Leggings (view 2)River Island Leggings (view 1)
    View Product: River Island Leggings

    River Island

    Leggings
    Size 18-24 mo
    $7.99 $4.39 45% off with code GOBIG
    27% off estimated retail
    Splendid Pullover Sweater (view 2)Splendid Pullover Sweater (view 1)
    View Product: Splendid Pullover Sweater

    Splendid

    Pullover Sweater
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    76% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    69% off estimated retail
    Baby Gap Snow Pants With Bib (view 2)Baby Gap Snow Pants With Bib (view 1)
    View Product: Baby Gap Snow Pants With Bib

    Baby Gap

    Snow Pants With Bib
    Size 18-24 mo
    $19.99 $10.99 45% off with code GOBIG
    53% off estimated retail
    Baby Gap Long Sleeve Outfit (view 2)Baby Gap Long Sleeve Outfit (view 1)
    View Product: Baby Gap Long Sleeve Outfit

    Baby Gap

    Long Sleeve Outfit
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    63% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)Flawed Gem
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 18-24 mo
    $16.99 $9.34 45% off with code GOBIG
    73% off estimated retail
    Andy & Evan Pullover Sweater (view 2)Andy & Evan Pullover Sweater (view 1)
    View Product: Andy & Evan Pullover Sweater

    Andy & Evan

    Pullover Sweater
    Size 18-24 mo
    $18.99 $10.44 45% off with code GOBIG
    79% off estimated retail
    Baby Gap Coat (view 2)Baby Gap Coat (view 1)
    View Product: Baby Gap Coat

    Baby Gap

    Coat
    Size 18-24 mo
    $29.99 $16.49 45% off with code GOBIG
    58% off estimated retail
    The Children's Place One Piece Swimsuit (view 2)The Children's Place One Piece Swimsuit (view 1)
    View Product: The Children's Place One Piece Swimsuit

    The Children's Place

    One Piece Swimsuit
    Size 18-24 mo
    $7.99 $4.39 45% off with code GOBIG
    55% off estimated retail
    Uniqlo Coat (view 2)Uniqlo Coat (view 1)
    View Product: Uniqlo Coat

    Uniqlo

    Coat
    Size 18-24 mo
    $14.99 $8.24 45% off with code GOBIG
    54% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 18-24 mo
    $20.99 $11.54 45% off with code GOBIG
    66% off estimated retail
    Stitchy Fish Two Piece Swimsuit (view 2)Stitchy Fish Two Piece Swimsuit (view 1)
    View Product: Stitchy Fish Two Piece Swimsuit

    Stitchy Fish

    Two Piece Swimsuit
    Size 18-24 mo
    $19.99 $10.99 45% off with code GOBIG
    54% off estimated retail
    Baby Gap Short Sleeve Onesie (view 2)Baby Gap Short Sleeve Onesie (view 1)
    View Product: Baby Gap Short Sleeve Onesie

    Baby Gap

    Short Sleeve Onesie
    Size 18-24 mo
    $6.99 $3.84 45% off with code GOBIG
    56% off estimated retail
    Old Navy Vest (view 2)Old Navy Vest (view 1)Price Drop
    View Product: Old Navy Vest

    Old Navy

    Vest
    Size 18-24 mo
    $11.99 $6.59 45% off with code GOBIG
    45% off estimated retail
    Splendid Pullover Sweater (view 2)Splendid Pullover Sweater (view 1)Price Drop
    View Product: Splendid Pullover Sweater

    Splendid

    Pullover Sweater
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    76% off estimated retail
    Gymboree Cargo Shorts (view 2)Gymboree Cargo Shorts (view 1)Price Drop
    View Product: Gymboree Cargo Shorts

    Gymboree

    Cargo Shorts
    Size 18-24 mo
    $11.99 $6.59 45% off with code GOBIG
    55% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 18-24 mo
    $10.99 $6.04 45% off with code GOBIG
    59% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 18-24 mo
    $19.99 $10.99 45% off with code GOBIG
    68% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    63% off estimated retail
    Old Navy Vest (view 2)Old Navy Vest (view 1)Price Drop
    View Product: Old Navy Vest

    Old Navy

    Vest
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    40% off estimated retail
    Janie and Jack Beanie (view 2)Janie and Jack Beanie (view 1)
    View Product: Janie and Jack Beanie

    Janie and Jack

    Beanie
    Size 18-24 mo
    $4.99 $2.74 45% off with code GOBIG
    72% off estimated retail
    Baby Gap One Piece Swimsuit (view 2)Baby Gap One Piece Swimsuit (view 1)Price Drop
    View Product: Baby Gap One Piece Swimsuit

    Baby Gap

    One Piece Swimsuit
    Size 18-24 mo
    $12.99 $7.14 45% off with code GOBIG
    51% off estimated retail
    Shade Critters One Piece Swimsuit (view 2)Shade Critters One Piece Swimsuit (view 1)Price Drop
    View Product: Shade Critters One Piece Swimsuit

    Shade Critters

    One Piece Swimsuit
    Size 18-24 mo
    $13.99 $7.69 45% off with code GOBIG
    68% off estimated retail
    Old Navy Jacket (view 2)Old Navy Jacket (view 1)Price Drop
    View Product: Old Navy Jacket

    Old Navy

    Jacket
    Size 18-24 mo
    $10.99 $6.04 45% off with code GOBIG
    65% off estimated retail
    Gymboree Cardigan (view 2)Gymboree Cardigan (view 1)Price Drop
    View Product: Gymboree Cardigan

    Gymboree

    Cardigan
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    71% off estimated retail
    Shade Critters Tube Top (view 2)Shade Critters Tube Top (view 1)Price Drop
    View Product: Shade Critters Tube Top

    Shade Critters

    Tube Top
    Size 18-24 mo
    $8.99 $4.94 45% off with code GOBIG
    69% off estimated retail
    Gap Long Sleeve Outfit (view 2)Gap Long Sleeve Outfit (view 1)Price Drop
    View Product: Gap Long Sleeve Outfit

    Gap

    Long Sleeve Outfit
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    63% off estimated retail
    Baby Gap Shorts (view 2)Baby Gap Shorts (view 1)Price Drop
    View Product: Baby Gap Shorts

    Baby Gap

    Shorts
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    52% off estimated retail
    Gymboree Rash Guard (view 2)Gymboree Rash Guard (view 1)
    View Product: Gymboree Rash Guard

    Gymboree

    Rash Guard
    Size 18-24 mo
    $7.99 $4.39 45% off with code GOBIG
    65% off estimated retail
    The Children's Place One Piece Swimsuit (view 2)The Children's Place One Piece Swimsuit (view 1)Price Drop
    View Product: The Children's Place One Piece Swimsuit

    The Children's Place

    One Piece Swimsuit
    Size 18-24 mo
    $9.99 $5.49 45% off with code GOBIG
    44% off estimated retail
    Gymboree One Piece Swimsuit (view 2)Gymboree One Piece Swimsuit (view 1)Price Drop
    View Product: Gymboree One Piece Swimsuit

    Gymboree

    One Piece Swimsuit
    Size 18-24 mo
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
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