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Mark Zuckerberg is one hands-on dad!

The Facebook CEO posted a sweet photo on Facebook of himself changing his newborn daughter Max's diaper on Dec. 11.

The 31-year-old captioned the photo, "One more down, thousands to go." In the pic, Baby Max is oh-so adorable as she lays on the changing table and looks towards the camera.

Zuckerberg's wife, pediatrician Priscilla Chan, gave birth to Max on Dec. 1, and since then, the power couple has been posting about their new bundle of love on Facebook.

"I am beyond thrilled to introduce you to our Max. Her being fills us with hope and inspires us to join others in creating a better future," Chan posted about the birth on Dec. 1.

In November, Zuckerberg announced on his social media site that he would be taking a two-month paternity leave after the birth of his daughter in order to bond with his little one.

Zuckerberg and Chan have been married since 2012.