Sex and the City star Cynthia Nixon and her fiancee Christine Marinoni welcomed a baby boy February 7, 2011.
Nixon’s rep confirmed that Marinoni, 43, gave birth to their son, Max Ellington Nixon-Marinoni, on Monday.
“Christine and baby are doing great,” her rep tells People.
Baby Max will join 44-year-old Nixon’s daughter Samantha, 14, and son Charles, 8, from her previous relationship to Danny Mozes.
Nixon and Marinoni began dating in 2004 and announced their engagement in 2009. A date for the wedding is unknown.