Cynthia Nixon & Christine Marinoni Welcome Son; Kept Pregnancy Secret!

More surprise Hollywood babies to announce! Last month, Nicole Kidman and Keith Urban shocked the world with their second daughter (born via surrogacy), and now Cynthia Nixon and Christine Marinoni have welcomed a baby boy! The couple kept their pregnancy hidden from the media.

Christine, 43, gave birth to son Max Ellington Nixon-Marinoni yesterday, CNN reports.

"Christine and baby are doing great," Cynthia's rep said in a statement.

This is the couple's first child together, however, Christine, 44, has two children from her previous her relationship with photographer Danny Mozes — Samantha, 14, and Charles, 8.

Cynthia and Christine began dating in 2004 and were engaged in 2009.