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!
215 items
Sort by:
![Team Athletics Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/612328590/complimentary.jpg)
![Team Athletics Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/612328531/complimentary.jpg)
Team Athletics
Short Sleeve Onesie
Size 6-9 mo
$4.99 $2.74 45% off with code GOBIG
28% off estimated retail![Jessica Simpson Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/611506887/complimentary.jpg)
![Jessica Simpson Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/611506859/complimentary.jpg)
Jessica Simpson
Short Sleeve Onesie
Size 6-9 mo
$6.99 $3.84 45% off with code GOBIG
36% off estimated retail![Assorted Brands Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/611356192/complimentary.jpg)
![Assorted Brands Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/611356154/complimentary.jpg)
Assorted Brands
Long Sleeve Outfit
Size 6-9 mo
$12.99 $7.14 45% off with code GOBIG
40% off estimated retail![Disney Collection By Tutu Couture Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/610835560/complimentary.jpg)
![Disney Collection By Tutu Couture Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/610835601/complimentary.jpg)
Disney Collection By Tutu Couture
Short Sleeve T-Shirt
Size 3T
$10.99 $6.04 45% off with code GOBIG
59% off estimated retail![Juicy by Juicy Couture Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/607799430/complimentary.jpg)
![Juicy by Juicy Couture Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/607799375/complimentary.jpg)
Juicy by Juicy Couture
Long Sleeve Onesie
Size 6-9 mo
$12.99 $7.14 45% off with code GOBIG
51% off estimated retail![The Children's Place Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/608659877/complimentary.jpg)
![The Children's Place Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/608659782/complimentary.jpg)
The Children's Place
Long Sleeve Onesie
Size 6-9 mo
$9.99 $5.49 45% off with code GOBIG
37% off estimated retail![Disney Baby Short Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/608080254/complimentary.jpg)
![Disney Baby Short Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/608080242/complimentary.jpg)
Disney Baby
Short Sleeve Outfit
Size 6-9 mo
$5.99 $3.29 45% off with code GOBIG
14% off estimated retail![Hanna Andersson Special Occasion Dress (view 2)](https://cf-assets-thredup.thredup.com/assets/606687576/complimentary.jpg)
![Hanna Andersson Special Occasion Dress (view 1)](https://cf-assets-thredup.thredup.com/assets/606687466/complimentary.jpg)
Hanna Andersson
Special Occasion Dress
Size 3T
$19.99 $10.99 45% off with code GOBIG
71% off estimated retail![The Children's Place Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/606047412/complimentary.jpg)
![The Children's Place Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/606047345/complimentary.jpg)
The Children's Place
Long Sleeve Onesie
Size 6-9 mo
$11.99 $6.59 45% off with code GOBIG
25% off estimated retail![OshKosh B'gosh Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/606005211/complimentary.jpg)
![OshKosh B'gosh Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/606005198/complimentary.jpg)
OshKosh B'gosh
Short Sleeve Onesie
Size 6-9 mo
$7.99 $4.39 45% off with code GOBIG
61% off estimated retail![Nanette Lepore Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/603812025/complimentary.jpg)
![Nanette Lepore Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/603811884/complimentary.jpg)
Nanette Lepore
Long Sleeve Outfit
Size 6-9 mo
$14.99 $8.24 45% off with code GOBIG
44% off estimated retail![Small Wonders Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/603296180/complimentary.jpg)
![Small Wonders Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/603296214/complimentary.jpg)
Small Wonders
Long Sleeve Onesie
Size 6-9 mo
$7.99 $4.39 45% off with code GOBIG
27% off estimated retail![OshKosh B'gosh Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/601495775/complimentary.jpg)
![OshKosh B'gosh Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/601495653/complimentary.jpg)
OshKosh B'gosh
Long Sleeve Onesie
Size 6-9 mo
$10.99 $6.04 45% off with code GOBIG
47% off estimated retail![Wonder Woman Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/601491964/complimentary.jpg)
![Wonder Woman Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/601491879/complimentary.jpg)
Wonder Woman
Long Sleeve Onesie
Size 6-9 mo
$10.99 $6.04 45% off with code GOBIG
50% off estimated retail![First Impressions Short Sleeve T-Shirt (view 2)](https://cf-assets-thredup.thredup.com/assets/600667445/complimentary.jpg)
![First Impressions Short Sleeve T-Shirt (view 1)](https://cf-assets-thredup.thredup.com/assets/600667353/complimentary.jpg)
First Impressions
Short Sleeve T-Shirt
Size 6-9 mo
$4.99 $2.74 45% off with code GOBIG
72% off estimated retail![Edgehill Collection Pullover Sweater (view 2)](https://cf-assets-thredup.thredup.com/assets/599348236/complimentary.jpg)
![Edgehill Collection Pullover Sweater (view 1)](https://cf-assets-thredup.thredup.com/assets/599348350/complimentary.jpg)
Edgehill Collection
Pullover Sweater
Size 3T
$16.99 $9.34 45% off with code GOBIG
70% off estimated retail![Cabana by Crown & Ivy Pullover Hoodie (view 2)](https://cf-assets-thredup.thredup.com/assets/598176127/complimentary.jpg)
![Cabana by Crown & Ivy Pullover Hoodie (view 1)](https://cf-assets-thredup.thredup.com/assets/598176126/complimentary.jpg)
Cabana by Crown & Ivy
Pullover Hoodie
Size 3T
$13.99 $7.69 45% off with code GOBIG
68% off estimated retail![Small Wonders Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/596608199/complimentary.jpg)
![Small Wonders Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/596608198/complimentary.jpg)
Small Wonders
Long Sleeve Onesie
Size 6-9 mo
$5.99 $3.29 45% off with code GOBIG
45% off estimated retail![Bonnie Jean Special Occasion Dress (view 2)](https://cf-assets-thredup.thredup.com/assets/596229363/complimentary.jpg)
![Bonnie Jean Special Occasion Dress (view 1)](https://cf-assets-thredup.thredup.com/assets/596229969/complimentary.jpg)
Bonnie Jean
Special Occasion Dress
Size 3T
$14.99 $8.24 45% off with code GOBIG
65% off estimated retail![Assorted Brands Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/593679787/complimentary.jpg)
![Assorted Brands Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/593679730/complimentary.jpg)
Assorted Brands
Long Sleeve Onesie
Size 6-9 mo
$11.99 $6.59 45% off with code GOBIG
45% off estimated retail![Assorted Brands Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/590684907/complimentary.jpg)
![Assorted Brands Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/590684856/complimentary.jpg)
Assorted Brands
Long Sleeve Onesie
Size 6-9 mo
$8.99 $4.94 45% off with code GOBIG
59% off estimated retail![The Modern Baby Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/587205549/complimentary.jpg)
![The Modern Baby Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/587205471/complimentary.jpg)
The Modern Baby
Long Sleeve Onesie
Size 6-9 mo
$5.99 $3.29 45% off with code GOBIG
45% off estimated retail![Cupcakes & Cashmere Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/588528658/complimentary.jpg)
![Cupcakes & Cashmere Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/588528578/complimentary.jpg)
Cupcakes & Cashmere
Long Sleeve Onesie
Size 6-9 mo
$12.99 $7.14 45% off with code GOBIG
51% off estimated retail![The Children's Place Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/584621950/complimentary.jpg)
![The Children's Place Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/584621915/complimentary.jpg)
The Children's Place
Long Sleeve Onesie
Size 6-9 mo
$9.99 $5.49 45% off with code GOBIG
37% off estimated retail![Bonnie Jean Special Occasion Dress (view 2)](https://cf-assets-thredup.thredup.com/assets/585270039/complimentary.jpg)
![Bonnie Jean Special Occasion Dress (view 1)](https://cf-assets-thredup.thredup.com/assets/585269991/complimentary.jpg)
Bonnie Jean
Special Occasion Dress
Size 3T
$18.99 $10.44 45% off with code GOBIG
55% off estimated retail![Assorted Brands Long Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/584383565/complimentary.jpg)
![Assorted Brands Long Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/584383485/complimentary.jpg)
Assorted Brands
Long Sleeve Onesie
Size 6-9 mo
$11.99 $6.59 45% off with code GOBIG
45% off estimated retail![Bonnie Jean Special Occasion Dress (view 2)](https://cf-assets-thredup.thredup.com/assets/583591473/complimentary.jpg)
![Bonnie Jean Special Occasion Dress (view 1)](https://cf-assets-thredup.thredup.com/assets/583591424/complimentary.jpg)
Bonnie Jean
Special Occasion Dress
Size 3T
$13.99 $7.69 45% off with code GOBIG
67% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/583729405/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/583729376/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 6-9 mo
$8.99 $4.94 45% off with code GOBIG
40% off estimated retail![7 For All Mankind Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/576317809/complimentary.jpg)
![7 For All Mankind Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/576317706/complimentary.jpg)
7 For All Mankind
Long Sleeve Outfit
Size 6-9 mo
$8.99 $4.94 45% off with code GOBIG
72% off estimated retail![Assorted Brands Long Sleeve Outfit (view 2)](https://cf-assets-thredup.thredup.com/assets/573951055/complimentary.jpg)
![Assorted Brands Long Sleeve Outfit (view 1)](https://cf-assets-thredup.thredup.com/assets/573951170/complimentary.jpg)
Assorted Brands
Long Sleeve Outfit
Size 6-9 mo
$11.99 $6.59 45% off with code GOBIG
45% off estimated retail![Assorted Brands Short Sleeve Onesie (view 2)](https://cf-assets-thredup.thredup.com/assets/573595998/complimentary.jpg)
![Assorted Brands Short Sleeve Onesie (view 1)](https://cf-assets-thredup.thredup.com/assets/573595945/complimentary.jpg)
Assorted Brands
Short Sleeve Onesie
Size 6-9 mo
$5.99 $3.29 45% off with code GOBIG
60% off estimated retail