And the sweetest little crown

Mud Pie Baby Girls' 1st Birthday Crown Headband

For the birthday boy:

With a festive diaper cover

Mud Pie Baby-Girls Newborn First Birthday Bloomer, Multi

There are few things cuter than one year olds celebrating their first big birthday.

Dress baby up (and get the camera ready, mama) with our roundup of the sweetest looks for your little ones:

Birthday girl outfits and accessories:

For the world's cutest one year old

First birthday long sleeved onesie and tutu with matching lace and fabric bow headband | Etsy @CreativeLexi

Take two

Mud Pie Baby-Girls I'm One Tutu Crawler


Mud Pie I'm One Football Crawler

This adorable outfit

Mud Pie Baby Boys' Birthday Boy 2 Piece Alligator Set

This little number

Mud Pie Baby Boys' I'M One 3 Piece Set Madras Plaid Short Button Down

Personalized shortalls ?

By LunaBelle

A big boy hat

Mud Pie Blue “I'm One" Party Hat

Now get out there and have some adorable fun!

Roar-some birthday boy

Mud Pie Dino 1st Birthday Shirt

A two piece version of the birthday girl outfit

Mud Pie Baby Girls' I'm 1 Tunic And Legging Set

Perfect for the cake-smash

Birthday bib via Mudpie

A bright dress for the birthday girl

Mud Pie Baby Girls' I'm 1 Birthday Dress