What a cutie!
In the precious pic, Sebastian appears bemused as he gazes off intently. His proud mom explained, "Did my hair today and this was my son's reaction… I think he likes it ;)"
This is the first child for the Rock of Ages star and her musician husband, Roberto Zincone.
On April 19, the actress tweeted: "Exhausted...But loving every moment of being a new mom! #parenthood #babiesdontsleepmuch!"
But hey, if you're gonna be up all hours of the night with somebody, it helps that her little guy is so precious!