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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 filterKid Shoe Size 11Remove filterRayonRemove filter
59 items
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    Matilda Jane Dress (view 2)Matilda Jane Dress (view 1)
    View Product: Matilda Jane Dress

    Matilda Jane

    Dress
    Size 12-18 mo
    $21.99
    60% off estimated retail
    Kyte Baby Long Sleeve Outfit (view 2)Kyte Baby Long Sleeve Outfit (view 1)
    View Product: Kyte Baby Long Sleeve Outfit

    Kyte Baby

    Long Sleeve Outfit
    Size 12-18 mo
    $15.99
    51% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 12-18 mo
    $14.99 $11.99 20% off with code THANKU
    64% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 12-18 mo
    $21.99 $15.39 30% off with code THANKU
    65% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Assorted Brands Short Sleeve Onesie (view 2)Assorted Brands Short Sleeve Onesie (view 1)
    View Product: Assorted Brands Short Sleeve Onesie

    Assorted Brands

    Short Sleeve Onesie
    Size 12-18 mo
    $5.99 $4.79 20% off with code THANKU
    60% off estimated retail
    Baby Gap Dress (view 2)Baby Gap Dress (view 1)
    View Product: Baby Gap Dress

    Baby Gap

    Dress
    Size 12-18 mo
    $16.99 $13.59 20% off with code THANKU
    54% off estimated retail
    Nest Casual Pants (view 2)Nest Casual Pants (view 1)
    View Product: Nest Casual Pants

    Nest

    Casual Pants
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    33% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 12-18 mo
    $14.99 $11.24 25% off with code THANKU
    64% off estimated retail
    Old Navy Dress (view 2)Old Navy Dress (view 1)
    View Product: Old Navy Dress

    Old Navy

    Dress
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    60% off estimated retail
    Silkberry Baby Dress (view 2)Silkberry Baby Dress (view 1)
    View Product: Silkberry Baby Dress

    Silkberry Baby

    Dress
    Size 12-18 mo
    $14.99 $9.74 35% off with code THANKU
    65% 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 $7.19 20% off with code THANKU
    35% off estimated retail
    Assorted Brands Long Sleeve Top (view 2)Assorted Brands Long Sleeve Top (view 1)
    View Product: Assorted Brands Long Sleeve Top

    Assorted Brands

    Long Sleeve Top
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    54% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 12-18 mo
    $14.99 $10.49 30% off with code THANKU
    64% off estimated retail
    Gymboree 3/4 Sleeve Top (view 2)Gymboree 3/4 Sleeve Top (view 1)
    View Product: Gymboree 3/4 Sleeve Top

    Gymboree

    3/4 Sleeve Top
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Splendid Shorts (view 2)Splendid Shorts (view 1)Flawed Gem
    View Product: Splendid Shorts

    Splendid

    Shorts
    Size 12-18 mo
    $5.99 $4.79 20% off with code THANKU
    72% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 12-18 mo
    $22.99 $16.09 30% off with code THANKU
    64% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 12-18 mo
    $18.99 $13.29 30% off with code THANKU
    69% off estimated retail
    Z Supply Dress (view 2)Z Supply Dress (view 1)
    View Product: Z Supply Dress

    Z Supply

    Dress
    Size 12-18 mo
    $12.99 $9.09 30% off with code THANKU
    70% off estimated retail
    Splendid Dress (view 2)Splendid Dress (view 1)
    View Product: Splendid Dress

    Splendid

    Dress
    Size 12-18 mo
    $10.99 $8.79 20% off with code THANKU
    75% off estimated retail
    Bailey Lane Short Sleeve Blouse (view 2)Bailey Lane Short Sleeve Blouse (view 1)New With Tags
    View Product: Bailey Lane Short Sleeve Blouse

    Bailey Lane

    Short Sleeve Blouse
    Size 12-18 mo
    $11.99 $9.59 20% off with code THANKU
    45% off estimated retail
    Bixby Nomad Short Sleeve Blouse (view 2)Bixby Nomad Short Sleeve Blouse (view 1)
    View Product: Bixby Nomad Short Sleeve Blouse

    Bixby Nomad

    Short Sleeve Blouse
    Size 12-18 mo
    $11.99 $9.59 20% off with code THANKU
    45% off estimated retail
    Old Navy Jacket (view 2)Old Navy Jacket (view 1)
    View Product: Old Navy Jacket

    Old Navy

    Jacket
    Size 12-18 mo
    $12.99 $9.74 25% off with code THANKU
    59% off estimated retail
    Dori Creations Dress (view 2)Dori Creations Dress (view 1)
    View Product: Dori Creations Dress

    Dori Creations

    Dress
    Size 12-18 mo
    $14.99 $11.99 20% off with code THANKU
    65% off estimated retail
    Janie and Jack Cardigan (view 2)Janie and Jack Cardigan (view 1)
    View Product: Janie and Jack Cardigan

    Janie and Jack

    Cardigan
    Size 12-18 mo
    $16.99 $11.89 30% off with code THANKU
    67% off estimated retail
    Janie and Jack Pullover Sweater (view 2)Janie and Jack Pullover Sweater (view 1)Flawed Gem
    View Product: Janie and Jack Pullover Sweater

    Janie and Jack

    Pullover Sweater
    Size 12-18 mo
    $11.99 $8.99 25% off with code THANKU
    66% 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
    $10.99 $8.79 20% off with code THANKU
    21% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 12-18 mo
    $18.99 $13.29 30% off with code THANKU
    69% off estimated retail
    Old Navy Short Sleeve Outfit (view 2)Old Navy Short Sleeve Outfit (view 1)
    View Product: Old Navy Short Sleeve Outfit

    Old Navy

    Short Sleeve Outfit
    Size 12-18 mo
    $6.99 $5.59 20% off with code THANKU
    36% off estimated retail
    Unbranded Cardigan (view 2)Unbranded Cardigan (view 1)Price Drop
    View Product: Unbranded Cardigan

    Unbranded

    Cardigan
    Size 12-18 mo
    $12.99 $9.09 30% off with code THANKU
    63% off estimated retail
    Splendid Short Sleeve T-Shirt (view 2)Splendid Short Sleeve T-Shirt (view 1)
    View Product: Splendid Short Sleeve T-Shirt

    Splendid

    Short Sleeve T-Shirt
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    54% off estimated retail
    Baby Gap Zip Up Hoodie (view 2)Baby Gap Zip Up Hoodie (view 1)
    View Product: Baby Gap Zip Up Hoodie

    Baby Gap

    Zip Up Hoodie
    Size 12-18 mo
    $12.99 $9.74 25% off with code THANKU
    59% off estimated retail
    Splendid Pullover Sweater (view 2)Splendid Pullover Sweater (view 1)Price Drop
    View Product: Splendid Pullover Sweater

    Splendid

    Pullover Sweater
    Size 12-18 mo
    $15.99 $11.19 30% off with code THANKU
    70% off estimated retail
    MilkBarn Short Sleeve Top (view 2)MilkBarn Short Sleeve Top (view 1)Price Drop
    View Product: MilkBarn Short Sleeve Top

    MilkBarn

    Short Sleeve Top
    Size 12-18 mo
    $13.99 $10.49 25% off with code THANKU
    60% off estimated retail
    Juicy Couture Casual Pants (view 2)Juicy Couture Casual Pants (view 1)Price Drop
    View Product: Juicy Couture Casual Pants

    Juicy Couture

    Casual Pants
    Size 12-18 mo
    $15.99 $12.79 20% off with code THANKU
    81% off estimated retail
    Splendid Faux Fur Vest (view 2)Splendid Faux Fur Vest (view 1)Price Drop
    View Product: Splendid Faux Fur Vest

    Splendid

    Faux Fur Vest
    Size 12-18 mo
    $17.99 $11.69 35% off with code THANKU
    67% off estimated retail
    Old Navy Sleeveless Top (view 2)Old Navy Sleeveless Top (view 1)
    View Product: Old Navy Sleeveless Top

    Old Navy

    Sleeveless Top
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    20% off estimated retail
    Janie and Jack Dress (view 2)Janie and Jack Dress (view 1)Price Drop
    View Product: Janie and Jack Dress

    Janie and Jack

    Dress
    Size 12-18 mo
    $12.99 $9.74 25% off with code THANKU
    79% off estimated retail
    Old Navy Long Sleeve Onesie (view 2)Old Navy Long Sleeve Onesie (view 1)Price Drop
    View Product: Old Navy Long Sleeve Onesie

    Old Navy

    Long Sleeve Onesie
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    18% off estimated retail
    Baby Gap Denim Jacket (view 2)Baby Gap Denim Jacket (view 1)Price Drop
    View Product: Baby Gap Denim Jacket

    Baby Gap

    Denim Jacket
    Size 12-18 mo
    $11.99 $9.59 20% off with code THANKU
    67% off estimated retail
    Baby Gap Pullover Sweater (view 2)Baby Gap Pullover Sweater (view 1)Price Drop
    View Product: Baby Gap Pullover Sweater

    Baby Gap

    Pullover Sweater
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    73% off estimated retail
    Splendid Zip Up Hoodie (view 2)Splendid Zip Up Hoodie (view 1)Price Drop
    View Product: Splendid Zip Up Hoodie

    Splendid

    Zip Up Hoodie
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    77% 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
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
    Gymboree Shorts (view 2)Gymboree Shorts (view 1)Price Drop
    View Product: Gymboree Shorts

    Gymboree

    Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    56% off estimated retail
    Crazy 8 Dress (view 2)Crazy 8 Dress (view 1)Price Drop
    View Product: Crazy 8 Dress

    Crazy 8

    Dress
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Assorted Brands Shorts (view 2)Assorted Brands Shorts (view 1)Price Drop
    View Product: Assorted Brands Shorts

    Assorted Brands

    Shorts
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    40% off estimated retail
    Splendid Shorts (view 2)Splendid Shorts (view 1)
    View Product: Splendid Shorts

    Splendid

    Shorts
    Size 12-18 mo
    $6.99 $5.59 20% off with code THANKU
    68% 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
    $8.99 $7.19 20% off with code THANKU
    35% 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
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
    Old Navy Short Sleeve Onesie (view 2)Old Navy Short Sleeve Onesie (view 1)Price Drop
    View Product: Old Navy Short Sleeve Onesie

    Old Navy

    Short Sleeve Onesie
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    18% off estimated retail
    Baby Gap Shorts (view 2)Baby Gap Shorts (view 1)
    View Product: Baby Gap Shorts

    Baby Gap

    Shorts
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    52% off estimated retail
    Hallmark Casual Pants (view 2)Hallmark Casual Pants (view 1)Price Drop
    View Product: Hallmark Casual Pants

    Hallmark

    Casual Pants
    Size 12-18 mo
    $9.99 $7.99 20% off with code THANKU
    33% off estimated retail
    Old Navy Onesie (view 2)Old Navy Onesie (view 1)Price Drop
    View Product: Old Navy Onesie

    Old Navy

    Onesie
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    18% off estimated retail
    Old Navy Pullover Sweater (view 2)Old Navy Pullover Sweater (view 1)Price Drop
    View Product: Old Navy Pullover Sweater

    Old Navy

    Pullover Sweater
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    57% off estimated retail
    Baby Gap Long Sleeve Blouse (view 2)Baby Gap Long Sleeve Blouse (view 1)Price Drop
    View Product: Baby Gap Long Sleeve Blouse

    Baby Gap

    Long Sleeve Blouse
    Size 12-18 mo
    $8.99 $7.19 20% off with code THANKU
    66% off estimated retail
    Gita Accessories Cardigan (view 2)Gita Accessories Cardigan (view 1)Price Drop
    View Product: Gita Accessories Cardigan

    Gita Accessories

    Cardigan
    Size 12-18 mo
    $8.99 $6.74 25% off with code THANKU
    86% 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 $6.39 20% off with code THANKU
    70% 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 $5.59 20% off with code THANKU
    65% 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 $6.39 20% off with code THANKU
    38% off estimated retail
    Baby B'gosh Cardigan (view 2)Baby B'gosh Cardigan (view 1)Price Drop
    View Product: Baby B'gosh Cardigan

    Baby B'gosh

    Cardigan
    Size 12-18 mo
    $7.99 $6.39 20% off with code THANKU
    53% off estimated retail
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