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!
6,014 items
Sort by:
![Cloud Island Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610989570/complimentary.jpg)
![Cloud Island Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610989524/complimentary.jpg)
Cloud Island
Short Sleeve Onesie
Size 3-6 mo
$4.99 $2.74 45% off with code GOBIG
28% off estimated retail![Cloud Island Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610917009/complimentary.jpg)
![Cloud Island Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610916975/complimentary.jpg)
Cloud Island
Short Sleeve Onesie
Size 3-6 mo
$4.99 $2.74 45% off with code GOBIG
28% off estimated retail![Cloud Island Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/611136263/complimentary.jpg)
![Cloud Island Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/611136141/complimentary.jpg)
Cloud Island
Long Sleeve Outfit
Size 3-6 mo
$6.99 $3.84 45% off with code GOBIG
36% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611203368/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611203343/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 3-6 mo
$6.99 $3.84 45% off with code GOBIG
53% off estimated retail![Kyle & Deena Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611202815/complimentary.jpg)
![Kyle & Deena Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611202802/complimentary.jpg)
Kyle & Deena
Short Sleeve Onesie
Size 3-6 mo
$5.99 $3.29 45% off with code GOBIG
14% off estimated retail![Kyle & Deena Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611199859/complimentary.jpg)
![Kyle & Deena Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611199841/complimentary.jpg)
Kyle & Deena
Short Sleeve Onesie
Size 3-6 mo
$4.99 $2.74 45% off with code GOBIG
28% off estimated retail![Rabbit Bear Short Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/611193670/complimentary.jpg)
![Rabbit Bear Short Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/611193651/complimentary.jpg)
Rabbit Bear
Short Sleeve Outfit
Size 3-6 mo
$5.99 $3.29 45% off with code GOBIG
14% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611090243/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611090220/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 3-6 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Touched by Nature Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611259360/complimentary.jpg)
![Touched by Nature Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611259336/complimentary.jpg)
Touched by Nature
Short Sleeve Onesie
Size 3-6 mo
$5.99 $3.29 45% off with code GOBIG
33% off estimated retail![Jumping Beans Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611079887/complimentary.jpg)
![Jumping Beans Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611079922/complimentary.jpg)
Jumping Beans
Short Sleeve Onesie
Size 3-6 mo
$8.99 $4.94 45% off with code GOBIG
30% off estimated retail![Turtledove London Long Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/609818775/complimentary.jpg)
![Turtledove London Long Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/609818633/complimentary.jpg)
Turtledove London
Long Sleeve T-Shirt
Size 6
$9.99 $5.49 45% off with code GOBIG
54% off estimated retail![Rachel Ashwell TJX Short Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/610201808/complimentary.jpg)
![Rachel Ashwell TJX Short Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/610201764/complimentary.jpg)
Rachel Ashwell TJX
Short Sleeve Outfit
Size 3-6 mo
$9.99 $5.49 45% off with code GOBIG
33% off estimated retail![Hanna Andersson Special Occasion Dress (view 2)](https://cf-assets-thredup.thredup.com/assets/610914735/complimentary.jpg)
![Hanna Andersson Special Occasion Dress (view 1)](https://cf-assets-thredup.thredup.com/assets/610914623/complimentary.jpg)
Hanna Andersson
Special Occasion Dress
Size 6
$36.99 $20.34 45% off with code GOBIG
47% off estimated retail![Harry Potter Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610423389/complimentary.jpg)
![Harry Potter Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610423342/complimentary.jpg)
Harry Potter
Long Sleeve Onesie
Size 3-6 mo
$7.99 $4.39 45% off with code GOBIG
27% off estimated retail![Harry Potter Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/609845505/complimentary.jpg)
![Harry Potter Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/609845410/complimentary.jpg)
Harry Potter
Long Sleeve Onesie
Size 3-6 mo
$8.99 $4.94 45% off with code GOBIG
18% off estimated retail![Cloud Island Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/609843562/complimentary.jpg)
![Cloud Island Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/609843447/complimentary.jpg)
Cloud Island
Long Sleeve Outfit
Size 3-6 mo
$6.99 $3.84 45% off with code GOBIG
36% off estimated retail![The Honest Co. Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611165340/complimentary.jpg)
![The Honest Co. Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611165339/complimentary.jpg)
The Honest Co.
Short Sleeve Onesie
Size 3-6 mo
$8.99 $4.94 45% off with code GOBIG
40% off estimated retail![Genuine Merchandise by Team Athletics Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610442877/complimentary.jpg)
![Genuine Merchandise by Team Athletics Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610442829/complimentary.jpg)
Genuine Merchandise by Team Athletics
Short Sleeve Onesie
Size 3-6 mo
$8.99 $4.94 45% off with code GOBIG
40% off estimated retail![Jessica Simpson Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/610633395/complimentary.jpg)
![Jessica Simpson Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/610633347/complimentary.jpg)
Jessica Simpson
Short Sleeve Onesie
Size 3-6 mo
$6.99 $3.84 45% off with code GOBIG
36% off estimated retail