Trending Categories
Trending Brands
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!
1,974 items
Sort by:
![QUINCY MAE Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610602003/complimentary.jpg)
![QUINCY MAE Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610601911/complimentary.jpg)
QUINCY MAE
Long Sleeve Onesie
Size 12-18 mo
$13.99 $7.69 45% off with code GOBIG
51% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610493166/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610493155/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Koala Baby Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610492933/complimentary.jpg)
![Koala Baby Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610492914/complimentary.jpg)
Koala Baby
Long Sleeve Onesie
Size 12-18 mo
$7.99 $4.39 45% off with code GOBIG
36% off estimated retail![Hux Baby Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610597070/complimentary.jpg)
![Hux Baby Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610597020/complimentary.jpg)
Hux Baby
Short Sleeve Onesie
Size 12-18 mo
$16.99 $9.34 45% off with code GOBIG
55% off estimated retail![Kate Quinn Organics Short Sleeve Henley (view 2)](https://cf-assets-thredup.thredup.com/assets/610637425/complimentary.jpg)
![Kate Quinn Organics Short Sleeve Henley (view 1)](https://cf-assets-thredup.thredup.com/assets/610637384/complimentary.jpg)
Kate Quinn Organics
Short Sleeve Henley
Size 12-18 mo
$10.99 $6.04 45% off with code GOBIG
59% off estimated retail![Brooklyn Industries Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610671669/complimentary.jpg)
![Brooklyn Industries Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610671618/complimentary.jpg)
Brooklyn Industries
Short Sleeve Onesie
Size 12-18 mo
$5.99 $3.29 45% off with code GOBIG
14% off estimated retail![Zara Baby Sleeveless Cardigan (view 2)](https://cf-assets-thredup.thredup.com/assets/610682630/complimentary.jpg)
![Zara Baby Sleeveless Cardigan (view 1)](https://cf-assets-thredup.thredup.com/assets/610682558/complimentary.jpg)
Zara Baby
Sleeveless Cardigan
Size 12-18 mo
$13.99 $7.69 45% off with code GOBIG
51% off estimated retail![Assorted Brands Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/610968957/complimentary.jpg)
![Assorted Brands Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/610968897/complimentary.jpg)
Assorted Brands
Pullover Sweater
Size 12-18 mo
$13.99 $7.69 45% off with code GOBIG
63% off estimated retail![Fox Baby Collection 3/4 Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609098775/complimentary.jpg)
![Fox Baby Collection 3/4 Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609098679/complimentary.jpg)
Fox Baby Collection
3/4 Sleeve T-Shirt
Size 12-18 mo
$7.99 $4.39 45% off with code GOBIG
27% off estimated retail![Baby Gap Short Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/610723853/complimentary.jpg)
![Baby Gap Short Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/610723958/complimentary.jpg)
Baby Gap
Short Sleeve Outfit
Size 12-18 mo
$15.99 $8.79 45% off with code GOBIG
55% off estimated retail![Banana Republic Denim Jacket (view 2)](https://cf-assets-thredup.thredup.com/assets/609847759/complimentary.jpg)
![Banana Republic Denim Jacket (view 1)](https://cf-assets-thredup.thredup.com/assets/609847677/complimentary.jpg)
Banana Republic
Denim Jacket
Size 12-18 mo
$19.99 $10.99 45% off with code GOBIG
77% off estimated retail![Beatrix Potter for Baby Gap Dress (view 2)](https://cf-assets-thredup.thredup.com/assets/609140489/complimentary.jpg)
![Beatrix Potter for Baby Gap Dress (view 1)](https://cf-assets-thredup.thredup.com/assets/609140458/complimentary.jpg)
Size 12-18 mo
$14.99 $8.24 45% off with code GOBIG
48% off estimated retail![Hanna Andersson Long Sleeve Blouse (view 2)](https://cf-assets-thredup.thredup.com/assets/609951884/complimentary.jpg)
![Hanna Andersson Long Sleeve Blouse (view 1)](https://cf-assets-thredup.thredup.com/assets/609951828/complimentary.jpg)
Hanna Andersson
Long Sleeve Blouse
Size 12-18 mo
$19.99 $10.99 45% off with code GOBIG
41% off estimated retail![Baby Gap Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609825432/complimentary.jpg)
![Baby Gap Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609825376/complimentary.jpg)
Baby Gap
Short Sleeve Onesie
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
64% off estimated retail![Jack And Lily Short Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/609671125/complimentary.jpg)
![Jack And Lily Short Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/609671113/complimentary.jpg)
Jack And Lily
Short Sleeve Outfit
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Janie and Jack Short Sleeve Top (view 2)](https://cf-assets-thredup.thredup.com/assets/609641101/complimentary.jpg)
![Janie and Jack Short Sleeve Top (view 1)](https://cf-assets-thredup.thredup.com/assets/609641070/complimentary.jpg)
Janie and Jack
Short Sleeve Top
Size 12-18 mo
$12.99 $7.14 45% off with code GOBIG
64% off estimated retail![Sara Kety Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609641697/complimentary.jpg)
![Sara Kety Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609641680/complimentary.jpg)
Sara Kety
Short Sleeve Onesie
Size 12-18 mo
$5.99 $3.29 45% off with code GOBIG
28% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609543688/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609543662/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609543762/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609543732/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Gymboree One Piece Swimsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/610001372/complimentary.jpg)
![Gymboree One Piece Swimsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/610001287/complimentary.jpg)
Gymboree
One Piece Swimsuit
Size 12-18 mo
$18.99 $10.44 45% off with code GOBIG
29% off estimated retail![Kate Quinn Organics Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609092455/complimentary.jpg)
![Kate Quinn Organics Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609092392/complimentary.jpg)
Kate Quinn Organics
Long Sleeve Onesie
Size 12-18 mo
$13.99 $7.69 45% off with code GOBIG
36% off estimated retail![BAILEY'S BLOSSOMS Casual Pants (view 2)](https://cf-assets-thredup.thredup.com/assets/608983341/complimentary.jpg)
![BAILEY'S BLOSSOMS Casual Pants (view 1)](https://cf-assets-thredup.thredup.com/assets/608983242/complimentary.jpg)
BAILEY'S BLOSSOMS
Casual Pants
Size 12-18 mo
$8.99 $4.94 45% off with code GOBIG
59% off estimated retail![Unbranded Short Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/608318060/complimentary.jpg)
![Unbranded Short Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/608318003/complimentary.jpg)
Unbranded
Short Sleeve Outfit
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Janie and Jack Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/608319738/complimentary.jpg)
![Janie and Jack Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/608319611/complimentary.jpg)
Janie and Jack
Short Sleeve Onesie
Size 12-18 mo
$6.99 $3.84 45% off with code GOBIG
61% off estimated retail![Hanna Andersson Zip Up Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/609813775/complimentary.jpg)
![Hanna Andersson Zip Up Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/609813702/complimentary.jpg)
Hanna Andersson
Zip Up Hoodie
Size 12-18 mo
$19.99 $10.99 45% off with code GOBIG
41% off estimated retail![Angel Dear Sleeveless Blouse (view 2)](https://cf-assets-thredup.thredup.com/assets/609701796/complimentary.jpg)
![Angel Dear Sleeveless Blouse (view 1)](https://cf-assets-thredup.thredup.com/assets/609701780/complimentary.jpg)
Angel Dear
Sleeveless Blouse
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
50% off estimated retail![Janie and Jack Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/608649641/complimentary.jpg)
![Janie and Jack Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/608649596/complimentary.jpg)
Janie and Jack
Short Sleeve Onesie
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
44% off estimated retail![Assorted Brands Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609438801/complimentary.jpg)
![Assorted Brands Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609438765/complimentary.jpg)
Assorted Brands
Long Sleeve Onesie
Size 12-18 mo
$9.99 $5.49 45% off with code GOBIG
54% off estimated retail![Andy & Evan Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/609703365/complimentary.jpg)
![Andy & Evan Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/609703339/complimentary.jpg)
Andy & Evan
Pullover Sweater
Size 12-18 mo
$22.99 $12.64 45% off with code GOBIG
74% off estimated retail![Lili Cactus Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/609793240/complimentary.jpg)
![Lili Cactus Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/609793097/complimentary.jpg)
Lili Cactus
Long Sleeve Outfit
Size 12-18 mo
$11.99 $6.59 45% off with code GOBIG
55% off estimated retail![Columbia One Piece Snowsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/607651613/complimentary.jpg)
![Columbia One Piece Snowsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/607651562/complimentary.jpg)
Columbia
One Piece Snowsuit
Size 12-18 mo
$19.99 $10.99 45% off with code GOBIG
54% off estimated retail![Pumpkin Patch Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/608214944/complimentary.jpg)
![Pumpkin Patch Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/608214862/complimentary.jpg)
Pumpkin Patch
Short Sleeve Onesie
Size 12-18 mo
$7.99 $4.39 45% off with code GOBIG
46% off estimated retail