Cynthia Nixon, Girlfriend Welcome Baby Boy!

Cynthia Nixon and partner Christine Marinoni attend HBO's Post Primetime Emmy Awards Reception at the Pacific Design Center on September 21, 2008 in Los Angeles, California Cynthia Nixon and partner Christine Marinoni attend HBO's Post Primetime Emmy Awards Reception at the Pacific Design Center on September 21, 2008 in Los Angeles, California

Cynthia Nixon is a mom for a third time!

The “Sex and The City” star and her longtime ladylove, Christine Marinoni, have welcomed a baby boy, the actress’ rep confirmed to Access Hollywood.

Christine gave birth to Max Ellington Nixon-Marinoni on Monday.

“Christine and baby are doing great,” the rep said.

Cynthia announced her engagement to Christine in May 2009 while at the Love, Peace and Marriage Equality rally in New York City, saying at the time, she had become engaged the month before.

The couple began dating in 2003, after the star split from husband Danny Mozes, with whom she has two children – Samantha, 14, and Charles, 8.

People was first to report this week’s baby news.

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