The Sex and the City star adopted her second child, a baby boy, journalist Marc Malkin exclusively announced on Facebook Saturday.
Davis, 53, is also mum to 7-year-old daughter Gemma Rose who she adopted in 2011.
"This is something I have wanted for a very long time," the actress said in a statement at the time. "Having this wish come true is even more gratifying than I ever had imagined. I feel so blessed."