The 5-year-old clearly couldn't be happier to finally meet her family's new addition.
Little Willow couldn't be happier to finally meet her baby brother.
Pink took to Instagram on Saturday to share an adorable photo of 5-year-old Willow holding newborn Jameson. The "Just Give Me a Reason" singer also thanked fans for their unconditional support.
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"Happy New Year ? #newlove #newlife #newenergy #newhope #newday the harts thank you for your love ❤️ and we send it back to you in spades," the 37-year-old singer captioned the sweet pic.
Pink and her husband, Carey Hart, welcomed son Jameson Moon on Dec. 26, announcing the news with a cute mother-son snap.
"Jameson Moon Hart 12.26.16," she wrote alongside the image, posted on her account on Wednesday.
And, of course, Carey got in a little bonding time with his son as well.
See more on the family's adorable new arrival in the video below.