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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 filterYouth Shoe Size 1Remove filter
1,973 items
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    Gap Dress (view 2)Gap Dress (view 1)Price Drop
    View Product: Gap Dress

    Gap

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    74% off estimated retail
    Baby Gap Short Sleeve Blouse (view 2)Baby Gap Short Sleeve Blouse (view 1)Price Drop
    View Product: Baby Gap Short Sleeve Blouse

    Baby Gap

    Short Sleeve Blouse
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    68% off estimated retail
    Gap Cargo Shorts (view 2)Gap Cargo Shorts (view 1)Price Drop
    View Product: Gap Cargo Shorts

    Gap

    Cargo Shorts
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    65% 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
    $8.99 $4.94 45% off with code GOBIG
    55% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Angel Dear Dress (view 2)Angel Dear Dress (view 1)Price Drop
    View Product: Angel Dear Dress

    Angel Dear

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    Dudu cream Dress (view 2)Dudu cream Dress (view 1)Price Drop
    View Product: Dudu cream Dress

    Dudu cream

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    66% 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 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    68% off estimated retail
    MilkBarn Beanie (view 1)Price Drop
    View Product: MilkBarn Beanie

    MilkBarn

    Beanie
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    55% 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
    $8.99 $4.94 45% off with code GOBIG
    65% off estimated retail
    Mini Fine Short Sleeve T-Shirt (view 2)Mini Fine Short Sleeve T-Shirt (view 1)
    View Product: Mini Fine Short Sleeve T-Shirt

    Mini Fine

    Short Sleeve T-Shirt
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    50% off estimated retail
    Baby Gap Swimsuit Cover Up (view 2)Baby Gap Swimsuit Cover Up (view 1)Price Drop
    View Product: Baby Gap Swimsuit Cover Up

    Baby Gap

    Swimsuit Cover Up
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Peyton & Parker Dress (view 2)Peyton & Parker Dress (view 1)Price Drop
    View Product: Peyton & Parker Dress

    Peyton & Parker

    Dress
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    70% off estimated retail
    Baker by Ted Baker Skirt (view 2)Baker by Ted Baker Skirt (view 1)Price Drop
    View Product: Baker by Ted Baker Skirt

    Baker by Ted Baker

    Skirt
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    65% off estimated retail
    New Balance Active T-Shirt (view 2)New Balance Active T-Shirt (view 1)
    View Product: New Balance Active T-Shirt

    New Balance

    Active T-Shirt
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    77% 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
    $6.99 $3.84 45% off with code GOBIG
    46% off estimated retail
    Old Navy Cardigan (view 2)Old Navy Cardigan (view 1)Price Drop
    View Product: Old Navy Cardigan

    Old Navy

    Cardigan
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    65% off estimated retail
    Juicy Couture Tank Top (view 2)Juicy Couture Tank Top (view 1)
    View Product: Juicy Couture Tank Top

    Juicy Couture

    Tank Top
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    88% off estimated retail
    Juicy Couture Leggings (view 2)Juicy Couture Leggings (view 1)Price Drop
    View Product: Juicy Couture Leggings

    Juicy Couture

    Leggings
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    86% off estimated retail
    Minoti Dress (view 2)Minoti Dress (view 1)
    View Product: Minoti Dress

    Minoti

    Dress
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    47% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    47% off estimated retail
    Sofi Pullover Sweater (view 2)Sofi Pullover Sweater (view 1)
    View Product: Sofi Pullover Sweater

    Sofi

    Pullover Sweater
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    83% off estimated retail
    Genuine Kids from Oshkosh Faux Fur Vest (view 2)Genuine Kids from Oshkosh Faux Fur Vest (view 1)Price Drop
    View Product: Genuine Kids from Oshkosh Faux Fur Vest

    Genuine Kids from Oshkosh

    Faux Fur Vest
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    43% 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
    $8.99 $4.94 45% off with code GOBIG
    66% off estimated retail
    Bella Baby Short Sleeve Onesie (view 2)Bella Baby Short Sleeve Onesie (view 1)
    View Product: Bella Baby Short Sleeve Onesie

    Bella Baby

    Short Sleeve Onesie
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    10% off estimated retail
    Gymboree Denim Shorts (view 2)Gymboree Denim Shorts (view 1)Price Drop
    View Product: Gymboree Denim Shorts

    Gymboree

    Denim Shorts
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    64% 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
    $8.99 $4.94 45% off with code GOBIG
    43% 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
    $8.99 $4.94 45% off with code GOBIG
    55% 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
    $8.99 $4.94 45% off with code GOBIG
    55% off estimated retail
    The Children's Place Short Sleeve T-Shirt (view 2)The Children's Place Short Sleeve T-Shirt (view 1)Price Drop
    View Product: The Children's Place Short Sleeve T-Shirt

    The Children's Place

    Short Sleeve T-Shirt
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    46% off estimated retail
    Gymboree Shorts (view 2)Gymboree Shorts (view 1)Price Drop
    View Product: Gymboree Shorts

    Gymboree

    Shorts
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    63% off estimated retail
    Gymboree Denim Shorts (view 2)Gymboree Denim Shorts (view 1)
    View Product: Gymboree Denim Shorts

    Gymboree

    Denim Shorts
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    64% 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
    $8.99 $4.94 45% off with code GOBIG
    30% off estimated retail
    Origany Leggings (view 2)Origany Leggings (view 1)Price Drop
    View Product: Origany Leggings

    Origany

    Leggings
    Size 12-18 mo
    $8.99 $4.94 45% off with code GOBIG
    55% 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
    $6.99 $3.84 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
    $6.99 $3.84 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
    $9.99 $5.49 45% off with code GOBIG
    41% off estimated retail
    Early Days Shorts (view 2)Early Days Shorts (view 1)Price Drop
    View Product: Early Days Shorts

    Early Days

    Shorts
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    $7
    Marc & Maddie Cardigan (view 2)Marc & Maddie Cardigan (view 1)
    View Product: Marc & Maddie Cardigan

    Marc & Maddie

    Cardigan
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    79% 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
    $8.99 $4.94 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
    $8.99 $4.94 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
    $6.99 $3.84 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
    $6.99 $3.84 45% off with code GOBIG
    46% off estimated retail
    Floatimini One Piece Swimsuit (view 2)Floatimini One Piece Swimsuit (view 1)Price Drop
    View Product: Floatimini One Piece Swimsuit

    Floatimini

    One Piece Swimsuit
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    86% 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
    $6.99 $3.84 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
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Old Navy Shorts (view 2)Old Navy Shorts (view 1)Price Drop
    View Product: Old Navy Shorts

    Old Navy

    Shorts
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    38% 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
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Joe Fresh Dress (view 2)Joe Fresh Dress (view 1)
    View Product: Joe Fresh Dress

    Joe Fresh

    Dress
    Size 12-18 mo
    $6.99 $3.84 45% off with code GOBIG
    65% 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
    $7.99 $4.39 45% off with code GOBIG
    70% 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
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
    Unbranded Leggings (view 2)Unbranded Leggings (view 1)Price Drop
    View Product: Unbranded Leggings

    Unbranded

    Leggings
    Size 12-18 mo
    $7.99 $4.39 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
    $7.99 $4.39 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
    $7.99 $4.39 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
    $7.99 $4.39 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
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Assorted Brands Short Sleeve Blouse (view 2)Assorted Brands Short Sleeve Blouse (view 1)Price Drop
    View Product: Assorted Brands Short Sleeve Blouse

    Assorted Brands

    Short Sleeve Blouse
    Size 12-18 mo
    $7.99 $4.39 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
    $7.99 $4.39 45% off with code GOBIG
    70% 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
    $6.99 $3.84 45% off with code GOBIG
    53% 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
    $7.99 $4.39 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
    $7.99 $4.39 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
    $7.99 $4.39 45% off with code GOBIG
    53% off estimated retail
    Old Navy Outlet One Piece Swimsuit (view 2)Old Navy Outlet One Piece Swimsuit (view 1)Price Drop
    View Product: Old Navy Outlet One Piece Swimsuit

    Old Navy Outlet

    One Piece Swimsuit
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    20% off estimated retail
    Assorted Brands Long Sleeve Top (view 2)Assorted Brands Long Sleeve Top (view 1)Price Drop
    View Product: Assorted Brands Long Sleeve Top

    Assorted Brands

    Long Sleeve Top
    Size 12-18 mo
    $7.99 $4.39 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
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Gymboree Pullover Hoodie (view 2)Gymboree Pullover Hoodie (view 1)Price Drop
    View Product: Gymboree Pullover Hoodie

    Gymboree

    Pullover Hoodie
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    75% 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
    $6.99 $3.84 45% off with code GOBIG
    63% off estimated retail
    Baby Gap Cargo Shorts (view 2)Baby Gap Cargo Shorts (view 1)Price Drop
    View Product: Baby Gap Cargo Shorts

    Baby Gap

    Cargo Shorts
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    60% off estimated retail
    Old Navy Outlet Dress (view 2)Old Navy Outlet Dress (view 1)
    View Product: Old Navy Outlet Dress

    Old Navy Outlet

    Dress
    Size 12-18 mo
    $9.99 $5.49 45% off with code GOBIG
    28% off estimated retail
    M&S Short Sleeve Onesie (view 2)M&S Short Sleeve Onesie (view 1)Price Drop
    View Product: M&S Short Sleeve Onesie

    M&S

    Short Sleeve Onesie
    Size 12-18 mo
    $7.99 $4.39 45% off with code GOBIG
    42% off estimated retail
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