Sex and the City 2 star Cynthia Nixon poses with her partner Christine Marinoni and their newborn baby Max in the online edition of People magazine.

Marinoni gave birth to Max Ellington Nixon Marinoni on Monday, February 7 in New York.

In the photograph, Nixon is holding Max, as Marinoni snuggles in from behind.

Nixon, 44, and Marinoni, 43, began dating in 2004. They announced they were engaged in 2009 as New York lawmakers geared up to debate a gay marriage bill. The couple campaigned heavily for its passage. Senators, however, rejected the bill, leaving the women unable to marry in the Empire state.

Last spring, Nixon suggested they'd get married in Iowa. Marinoni, however, nixed the idea, insisting the couple would wait to get married in their home state.

Nixon began dating Marinoni after she split up with her boyfriend of 15 years, Danny Mozes. Nixon and Mozes share custody of two children, fourteen-year-old Samantha and eight-year-old Charles.

Other openly gay celebrities who recently became parents include singer Elton John and Neil Patrick Harris, star of the CBS sitcom How I Met Your Mother.