Aww!

On Tuesday, Dec. 8, Mark Zuckerberg took to Facebook to share an adorable photo of himself laying beside his newborn daughter, Max — and we can't get over how precious the pic is!

Full of joy with little Max.

Posted by Mark Zuckerberg on Tuesday, December 8, 2015

"Full of joy with little Max," the 31-year-old Facebook founder captioned the snapshot of them having a sweet father-daughter moment. Mark and his wife, Dr. Priscilla Chan, 30, welcomed baby Max — their first child — in late November.

RELATED: Bruce Willis' Wife Emma Shares New Photo of Their Daughters Mabel and Evelyn — Plus See More of Hollywood's Cutest Kids!

After announcing the birth of the little bundle of joy, the couple revealed they will contribute 99 percent of their Facebook shares — worth about $45 billion today — to their charitable foundation, the Chan Zuckerberg Initiative, an organization with the aim of "advancing human potential and promoting equality."

Click through our gallery below to see more of Hollywood’s cutest kids!