Ach/APCynthia Nixon has finally said "I Do" to longtime partner Christine Marinoni.
The couple, who got engaged three years ago at a rally to support gay marriage in New York, wed Sunday in the Big Apple, according to People.
While the pair is keeping details about their wedding under wraps for now, a rep for the 46-year-old Sex and the City star did tell the mag Nixon walked down the aisle in a custom dress by Carolina Herrera.
The newly married couple has one child together, Max Ellington Nixon-Marinoni, whom 45-year-old Marinoni gave birth to in February 2011.
Nixon and Marinoni began dating in late 2003, shortly after the thesp split from her longtime companion Danny Mozes (the duo had two children together).
Congrats!