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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!

TealRemove filter12-18 moRemove filterYouth Shoe Size 6½Remove filter
36 items
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    Disney Short Sleeve Onesie (view 2)Disney Short Sleeve Onesie (view 1)
    View Product: Disney Short Sleeve Onesie

    Disney

    Short Sleeve Onesie
    Size 12-18 mo
    $4.99
    28% off estimated retail
    Baby Gap Dress (view 2)Baby Gap Dress (view 1)
    View Product: Baby Gap Dress

    Baby Gap

    Dress
    Size 12-18 mo
    $15.99
    56% off estimated retail
    Baby Gap Short Sleeve Outfit (view 2)Baby Gap Short Sleeve Outfit (view 1)
    View Product: Baby Gap Short Sleeve Outfit

    Baby Gap

    Short Sleeve Outfit
    Size 12-18 mo
    $13.99
    55% off estimated retail
    Primary Clothing Wetsuit (view 2)Primary Clothing Wetsuit (view 1)
    View Product: Primary Clothing Wetsuit

    Primary Clothing

    Wetsuit
    Size 12-18 mo
    $16.99 $13.59 20% off with code HOTDEAL
    74% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Cotton On Short Sleeve Outfit (view 2)Cotton On Short Sleeve Outfit (view 1)
    View Product: Cotton On Short Sleeve Outfit

    Cotton On

    Short Sleeve Outfit
    Size 12-18 mo
    $9.99 $7.99 20% off with code HOTDEAL
    18% off estimated retail
    Janie and Jack Short Sleeve Onesie (view 2)Janie and Jack Short Sleeve Onesie (view 1)Flawed Gem
    View Product: Janie and Jack Short Sleeve Onesie

    Janie and Jack

    Short Sleeve Onesie
    Size 12-18 mo
    $27.99 $19.59 30% off with code HOTDEAL
    55% off estimated retail
    Unbranded Short Sleeve Onesie (view 2)Unbranded Short Sleeve Onesie (view 1)
    View Product: Unbranded Short Sleeve Onesie

    Unbranded

    Short Sleeve Onesie
    Size 12-18 mo
    $7.99 $6.39 20% off with code HOTDEAL
    53% off estimated retail
    Janie and Jack Long Sleeve Top (view 2)Janie and Jack Long Sleeve Top (view 1)
    View Product: Janie and Jack Long Sleeve Top

    Janie and Jack

    Long Sleeve Top
    Size 12-18 mo
    $9.99 $7.99 20% off with code HOTDEAL
    70% off estimated retail
    Old Navy Coat (view 2)Old Navy Coat (view 1)
    View Product: Old Navy Coat

    Old Navy

    Coat
    Size 12-18 mo
    $15.99 $11.99 25% off with code HOTDEAL
    59% off estimated retail
    Baby Gap Outlet Short Sleeve Onesie (view 2)Baby Gap Outlet Short Sleeve Onesie (view 1)
    View Product: Baby Gap Outlet Short Sleeve Onesie

    Baby Gap Outlet

    Short Sleeve Onesie
    Size 12-18 mo
    $8.99 $7.19 20% off with code HOTDEAL
    $7
    Pottery Barn Kids 3/4 Sleeve Blouse (view 2)Pottery Barn Kids 3/4 Sleeve Blouse (view 1)
    View Product: Pottery Barn Kids 3/4 Sleeve Blouse

    Pottery Barn Kids

    3/4 Sleeve Blouse
    Size 12-18 mo
    $12.99 $9.74 25% off with code HOTDEAL
    40% off estimated retail
    Old Navy Short Sleeve Onesie (view 2)Old Navy Short Sleeve Onesie (view 1)
    View Product: Old Navy Short Sleeve Onesie

    Old Navy

    Short Sleeve Onesie
    Size 12-18 mo
    $8.99 $7.19 20% off with code HOTDEAL
    27% off estimated retail
    Gymboree 3/4 Sleeve Top (view 2)Gymboree 3/4 Sleeve Top (view 1)
    View Product: Gymboree 3/4 Sleeve Top

    Gymboree

    3/4 Sleeve Top
    Size 12-18 mo
    $9.99 $7.99 20% off with code HOTDEAL
    57% off estimated retail
    Duffiled lane Short Sleeve Onesie (view 2)Duffiled lane Short Sleeve Onesie (view 1)
    View Product: Duffiled lane Short Sleeve Onesie

    Duffiled lane

    Short Sleeve Onesie
    Size 12-18 mo
    $19.99 $13.99 30% off with code HOTDEAL
    62% off estimated retail
    Old Navy Short Sleeve Outfit (view 2)Old Navy Short Sleeve Outfit (view 1)
    View Product: Old Navy Short Sleeve Outfit

    Old Navy

    Short Sleeve Outfit
    Size 12-18 mo
    $11.99 $9.59 20% off with code HOTDEAL
    21% off estimated retail
    Janie and Jack Sweatshirt (view 2)Janie and Jack Sweatshirt (view 1)
    View Product: Janie and Jack Sweatshirt

    Janie and Jack

    Sweatshirt
    Size 12-18 mo
    $10.99 $8.24 25% off with code HOTDEAL
    69% 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 12-18 mo
    $12.99 $10.39 20% off with code HOTDEAL
    59% off estimated retail
    H&M Cardigan (view 2)H&M Cardigan (view 1)
    View Product: H&M Cardigan

    H&M

    Cardigan
    Size 12-18 mo
    $10.99 $8.79 20% off with code HOTDEAL
    63% off estimated retail
    Cath Kids Short Sleeve Onesie (view 2)Cath Kids Short Sleeve Onesie (view 1)
    View Product: Cath Kids Short Sleeve Onesie

    Cath Kids

    Short Sleeve Onesie
    Size 12-18 mo
    $10.99 $8.79 20% off with code HOTDEAL
    33% off estimated retail
    Janie and Jack Short Sleeve Blouse (view 2)Janie and Jack Short Sleeve Blouse (view 1)
    View Product: Janie and Jack Short Sleeve Blouse

    Janie and Jack

    Short Sleeve Blouse
    Size 12-18 mo
    $9.99 $6.99 30% off with code HOTDEAL
    66% off estimated retail
    Hatley Short Sleeve Outfit (view 2)Hatley Short Sleeve Outfit (view 1)
    View Product: Hatley Short Sleeve Outfit

    Hatley

    Short Sleeve Outfit
    Size 12-18 mo
    $11.99 $6.59 45% off with code HOTDEAL
    44% off estimated retail
    Rockets of Awesome Short Sleeve Onesie (view 2)Rockets of Awesome Short Sleeve Onesie (view 1)
    View Product: Rockets of Awesome Short Sleeve Onesie

    Rockets of Awesome

    Short Sleeve Onesie
    Size 12-18 mo
    $7.99 $5.59 30% off with code HOTDEAL
    53% off estimated retail
    Baby Gap Zip Up Hoodie (view 2)Baby Gap Zip Up Hoodie (view 1)
    View Product: Baby Gap Zip Up Hoodie

    Baby Gap

    Zip Up Hoodie
    Size 12-18 mo
    $15.99 $10.39 35% off with code HOTDEAL
    59% 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 12-18 mo
    $10.99 $7.69 30% off with code HOTDEAL
    50% off estimated retail
    Unbranded Short Sleeve Onesie (view 2)Unbranded Short Sleeve Onesie (view 1)Price Drop
    View Product: Unbranded Short Sleeve Onesie

    Unbranded

    Short Sleeve Onesie
    Size 12-18 mo
    $9.99 $6.99 30% off with code HOTDEAL
    40% off estimated retail
    Gymboree Leggings (view 2)Gymboree Leggings (view 1)Price Drop
    View Product: Gymboree Leggings

    Gymboree

    Leggings
    Size 12-18 mo
    $10.99 $7.14 35% off with code HOTDEAL
    44% off estimated retail
    M&S Long Sleeve Onesie (view 2)M&S Long Sleeve Onesie (view 1)Price Drop
    View Product: M&S Long Sleeve Onesie

    M&S

    Long Sleeve Onesie
    Size 12-18 mo
    $8.99 $5.84 35% off with code HOTDEAL
    63% off estimated retail
    Old Navy Long Sleeve Onesie (view 2)Old Navy Long Sleeve Onesie (view 1)
    View Product: Old Navy Long Sleeve Onesie

    Old Navy

    Long Sleeve Onesie
    Size 12-18 mo
    $8.99 $5.84 35% off with code HOTDEAL
    27% off estimated retail
    Baby Gap Short Sleeve T-Shirt (view 2)Baby Gap Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Baby Gap Short Sleeve T-Shirt

    Baby Gap

    Short Sleeve T-Shirt
    Size 12-18 mo
    $11.99 $7.79 35% off with code HOTDEAL
    31% off estimated retail
    Old Navy Short Sleeve Onesie (view 2)Old Navy Short Sleeve Onesie (view 1)Price Drop
    View Product: Old Navy Short Sleeve Onesie

    Old Navy

    Short Sleeve Onesie
    Size 12-18 mo
    $8.99 $5.84 35% off with code HOTDEAL
    27% off estimated retail
    UV Skinz Rash Guard (view 2)UV Skinz Rash Guard (view 1)Price Drop
    View Product: UV Skinz Rash Guard

    UV Skinz

    Rash Guard
    Size 12-18 mo
    $11.99 $7.79 35% off with code HOTDEAL
    63% off estimated retail
    Coolibar Rash Guard (view 2)Coolibar Rash Guard (view 1)Price Drop
    View Product: Coolibar Rash Guard

    Coolibar

    Rash Guard
    Size 12-18 mo
    $13.24 $8.61 35% off with code HOTDEAL
    69% off estimated retail
    The Children's Place Tank Top (view 2)The Children's Place Tank Top (view 1)Price Drop
    View Product: The Children's Place Tank Top

    The Children's Place

    Tank Top
    Size 12-18 mo
    $8.99 $5.84 35% off with code HOTDEAL
    56% off estimated retail
    Baby Gap Shorts (view 2)Baby Gap Shorts (view 1)Price Drop
    View Product: Baby Gap Shorts

    Baby Gap

    Shorts
    Size 12-18 mo
    $12.24 $7.96 35% off with code HOTDEAL
    52% off estimated retail
    Old Navy Long Sleeve Onesie (view 2)Old Navy Long Sleeve Onesie (view 1)Price Drop
    View Product: Old Navy Long Sleeve Onesie

    Old Navy

    Long Sleeve Onesie
    Size 12-18 mo
    $8.99 $5.84 35% off with code HOTDEAL
    27% off estimated retail
    Tea Short Sleeve T-Shirt (view 2)Tea Short Sleeve T-Shirt (view 1)Price Drop
    View Product: Tea Short Sleeve T-Shirt

    Tea

    Short Sleeve T-Shirt
    Size 12-18 mo
    $12.24 $7.96 35% off with code HOTDEAL
    66% off estimated retail
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