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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!

12-18 moRemove filter2Remove filter
1,945 items
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    PixieLane Dress (view 2)PixieLane Dress (view 1)Price Drop
    View Product: PixieLane Dress

    PixieLane

    Dress
    Size 2
    $11.24 $6.18 45% off with code GOBIG
    66% off estimated retail
    Venus Dress (view 2)Venus Dress (view 1)Price Drop
    View Product: Venus Dress

    Venus

    Dress
    Size 2
    $9.99 $5.49 45% off with code GOBIG
    35% off estimated retail
    Mud Pie Dress (view 2)Mud Pie Dress (view 1)Price Drop
    View Product: Mud Pie Dress

    Mud Pie

    Dress
    Size 12-18 mo
    $11.24 $6.18 45% off with code GOBIG
    66% off estimated retail
    OshKosh B'gosh Shorts (view 2)OshKosh B'gosh Shorts (view 1)Price Drop
    View Product: OshKosh B'gosh Shorts

    OshKosh B'gosh

    Shorts
    Size 12-18 mo
    $9.99 $5.49 45% off with code GOBIG
    43% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Gymboree Denim Shorts (view 2)Gymboree Denim Shorts (view 1)
    View Product: Gymboree Denim Shorts

    Gymboree

    Denim Shorts
    Size 12-18 mo
    $11.24 $6.18 45% off with code GOBIG
    64% off estimated retail
    Rockets of Awesome Skirt (view 2)Rockets of Awesome Skirt (view 1)Price Drop
    View Product: Rockets of Awesome Skirt

    Rockets of Awesome

    Skirt
    Size 2
    $10.24 $5.63 45% off with code GOBIG
    60% off estimated retail
    Rockets of Awesome Skirt (view 2)Rockets of Awesome Skirt (view 1)Price Drop
    View Product: Rockets of Awesome Skirt

    Rockets of Awesome

    Skirt
    Size 2
    $10.24 $5.63 45% off with code GOBIG
    60% off estimated retail
    Old Navy Zip Up Hoodie (view 2)Old Navy Zip Up Hoodie (view 1)Price Drop
    View Product: Old Navy Zip Up Hoodie

    Old Navy

    Zip Up Hoodie
    Size 12-18 mo
    $9.24 $5.08 45% off with code GOBIG
    58% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 12-18 mo
    $10.24 $5.63 45% off with code GOBIG
    65% off estimated retail
    TOBY Faux Fur Vest (view 2)TOBY Faux Fur Vest (view 1)Price Drop
    View Product: TOBY Faux Fur Vest

    TOBY

    Faux Fur Vest
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    41% off estimated retail
    Zara Baby Shorts (view 2)Zara Baby Shorts (view 1)
    View Product: Zara Baby Shorts

    Zara Baby

    Shorts
    Size 12-18 mo
    $9.99 $5.49 45% off with code GOBIG
    35% off estimated retail
    NK Too Dress (view 2)NK Too Dress (view 1)Price Drop
    View Product: NK Too Dress

    NK Too

    Dress
    Size 12-18 mo
    $9.99 $5.49 45% off with code GOBIG
    66% off estimated retail
    Juicy Couture Dress (view 2)Juicy Couture Dress (view 1)Rare Find
    View Product: Juicy Couture Dress

    Juicy Couture

    Dress
    Size 12-18 mo
    $10.24 $5.63 45% off with code GOBIG
    94% off estimated retail
    Old Navy Shorts (view 2)Old Navy Shorts (view 1)
    View Product: Old Navy Shorts

    Old Navy

    Shorts
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    46% off estimated retail
    Mikey Stars Tank Top (view 2)Mikey Stars Tank Top (view 1)
    View Product: Mikey Stars Tank Top

    Mikey Stars

    Tank Top
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    65% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    60% off estimated retail
    Assorted Brands Short Sleeve Onesie (view 2)Assorted Brands Short Sleeve Onesie (view 1)Price Drop
    View Product: Assorted Brands Short Sleeve Onesie

    Assorted Brands

    Short Sleeve Onesie
    Size 2
    $7.24 $3.98 45% off with code GOBIG
    64% off estimated retail
    Puma Active T-Shirt (view 2)Puma Active T-Shirt (view 1)Price Drop
    View Product: Puma Active T-Shirt

    Puma

    Active T-Shirt
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    60% off estimated retail
    American Apparel Short Sleeve Onesie (view 2)American Apparel Short Sleeve Onesie (view 1)Price Drop
    View Product: American Apparel Short Sleeve Onesie

    American Apparel

    Short Sleeve Onesie
    Size 12-18 mo
    $10.24 $5.63 45% off with code GOBIG
    42% off estimated retail
    Earth Nymph Dress (view 2)Earth Nymph Dress (view 1)
    View Product: Earth Nymph Dress

    Earth Nymph

    Dress
    Size 2
    $12.99 $7.14 45% off with code GOBIG
    40% off estimated retail
    Divided by H&M Short Sleeve T-Shirt (view 2)Divided by H&M Short Sleeve T-Shirt (view 1)
    View Product: Divided by H&M Short Sleeve T-Shirt

    Divided by H&M

    Short Sleeve T-Shirt
    Size 2
    $8.24 $4.53 45% off with code GOBIG
    22% off estimated retail
    Unbranded Leggings (view 2)Unbranded Leggings (view 1)Price Drop
    View Product: Unbranded Leggings

    Unbranded

    Leggings
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    42% off estimated retail
    Old Navy Dress (view 2)Old Navy Dress (view 1)Price Drop
    View Product: Old Navy Dress

    Old Navy

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    60% off estimated retail
    Baby Gap Long Sleeve Button-Down Shirt (view 2)Baby Gap Long Sleeve Button-Down Shirt (view 1)Price Drop
    View Product: Baby Gap Long Sleeve Button-Down Shirt

    Baby Gap

    Long Sleeve Button-Down Shirt
    Size 2
    $8.99 $4.94 45% off with code GOBIG
    68% off estimated retail
    Old Navy Zip Up Hoodie (view 2)Old Navy Zip Up Hoodie (view 1)Price Drop
    View Product: Old Navy Zip Up Hoodie

    Old Navy

    Zip Up Hoodie
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    53% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    70% off estimated retail
    Old Navy Dress (view 2)Old Navy Dress (view 1)Price Drop
    View Product: Old Navy Dress

    Old Navy

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    60% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    70% off estimated retail
    Baby Gap Cardigan (view 2)Baby Gap Cardigan (view 1)Price Drop
    View Product: Baby Gap Cardigan

    Baby Gap

    Cardigan
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    70% off estimated retail
    Joe Fresh Leggings (view 2)Joe Fresh Leggings (view 1)Price Drop
    View Product: Joe Fresh Leggings

    Joe Fresh

    Leggings
    Size 2
    $8.99 $4.94 45% off with code GOBIG
    20% off estimated retail
    H&M Sleeveless Blouse (view 2)H&M Sleeveless Blouse (view 1)
    View Product: H&M Sleeveless Blouse

    H&M

    Sleeveless Blouse
    Size 12-18 mo
    $7.24 $3.98 45% off with code GOBIG
    53% off estimated retail
    H&M Short Sleeve Blouse (view 2)H&M Short Sleeve Blouse (view 1)Price Drop
    View Product: H&M Short Sleeve Blouse

    H&M

    Short Sleeve Blouse
    Size 2
    $10.24 $5.63 45% off with code GOBIG
    33% off estimated retail
    Unbranded Casual Pants (view 2)Unbranded Casual Pants (view 1)Price Drop
    View Product: Unbranded Casual Pants

    Unbranded

    Casual Pants
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    70% off estimated retail
    Baby Gap Skort (view 2)Baby Gap Skort (view 1)Price Drop
    View Product: Baby Gap Skort

    Baby Gap

    Skort
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    68% off estimated retail
    Baby Gap Beanie (view 2)Baby Gap Beanie (view 1)Price Drop
    View Product: Baby Gap Beanie

    Baby Gap

    Beanie
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    53% off estimated retail
    Name It Casual Pants (view 2)Name It Casual Pants (view 1)Price Drop
    View Product: Name It Casual Pants

    Name It

    Casual Pants
    Size 2
    $8.24 $4.53 45% off with code GOBIG
    60% off estimated retail
    Old Navy Dress (view 2)Old Navy Dress (view 1)Price Drop
    View Product: Old Navy Dress

    Old Navy

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    60% off estimated retail
    Gymboree Sleeveless Top (view 2)Gymboree Sleeveless Top (view 1)
    View Product: Gymboree Sleeveless Top

    Gymboree

    Sleeveless Top
    Size 12-18 mo
    $8.24 $4.53 45% off with code GOBIG
    63% off estimated retail
    Wallflower Denim Shorts (view 2)Wallflower Denim Shorts (view 1)
    View Product: Wallflower Denim Shorts

    Wallflower

    Denim Shorts
    Size 2
    $8.24 $4.53 45% off with code GOBIG
    65% off estimated retail
    Unbranded Active Pants (view 2)Unbranded Active Pants (view 1)Price Drop
    View Product: Unbranded Active Pants

    Unbranded

    Active Pants
    Size 2
    $8.99 $4.94 45% off with code GOBIG
    42% off estimated retail
    Crush Tank Top (view 2)Crush Tank Top (view 1)Price Drop
    View Product: Crush Tank Top

    Crush

    Tank Top
    Size 2
    $8.99 $4.94 45% off with code GOBIG
    20% off estimated retail
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