1st birthday outfits for girls—celebrate her milestone in style with fancy rompers, tutus, and dresses perfect for cake smashes and keepsake child portraits and cake smash photos.

Collection: 1st Birthday Outfit Girl

Baby girl 1st birthday Sequin Romper in Pink
Bubblegum Sparkle Romper || Pink Sequin
Sale price
$99.00
List price
$120.00
luxury baby onesies
Pink Tulips Romper || Swiss Dot Pink
Sale price
$99.00
List price
$120.00
Baby Girl  Pink & Yellow Butterfly Romper
Butterfly Kisses Romper || Pink & Yellow Butterflies Romper
Sale price
$99.00
List price
$120.00
Snowdrop Kiss Romper || White
Snowdrop Kiss Romper || White
Sale price
$99.00
List price
$120.00
Cherry Fizz Romper || Hot Pink
Cherry Fizz Romper || Hot Pink
Sale price
$99.00
List price
$120.00
Baby girl clothes cake smash
Pansy Thistle Tutu Romper || Pansy Purple
Price
$121.00
luxury baby outfits
Lilac Lullaby Romper || Lavender
Sale price
$99.00
List price
$120.00
Baby girl 1st birthday gift dress
Twilight Sugar Plum Romper || Lavender Sequin
Sale price
$99.00
List price
$120.00
luxury birthday gift ideas
Flutter Wings Garden Romper || White Pink Yellow
Sale price
$99.00
List price
$120.00
luxury baby gift ideas
Buttercream Whimsey Romper || Cream
Sale price
$99.00
List price
$120.00
Designer baby girl birthday outfit
Lavender Kiss Puff Sleeve Baby Romper || Lavender
Sale price
$99.00
List price
$120.00
luxury baby birthday outfit
Barbie Pink Baby Girl Romper || Hot Pink Swiss Dot
Sale price
$99.00
List price
$120.00
luxury baby onesies
Ruby Red Whispers Cake Smash Romper in Red Swiss Dot
Sale price
$99.00
List price
$120.00
Whispering Willow Floral Party Romper in Sage
Whispering Willow Floral Party Romper in Sage
Sale price
$99.00
List price
$120.00

Celebrate her sweetest milestone with our enchanting collection of 1st birthday outfits for girls—where whimsy meets wonder by Hannah Rose. From delicate lace rompers to sparkly tutu sets, each piece is thoughtfully designed for cake smashes, photo shoots, and unforgettable first birthday parties. Soft pastels, vintage florals, and shimmering accents create a storybook look that’s as magical as her big day. Whether you're dreaming of blush pinks, gold glitter, or personalized embroidery, these outfits promise comfort, charm, and keepsake-worthy style.

Perfect for boutique shoppers seeking first birthday girl outfits, our curated selection blends timeless elegance with playful flair. Let her shine in a look that’s made for memories.