Evan Agostini / Invision/AP 1 / 5
Evan Agostini / Invision/AP 1 / 5

"Sex and the City" star Chris Noth is engaged!

The 54-year-old Noth -- known for his role as "Mr. Big" on the hit HBO series -- announced the news during an interview with Entertainment Tonight Canada.

He and girlfriend Tara Lynn Wilson, 27, welcomed a son, Orion Christopher Noth, in January 2008.

In addition to shooting "Sex and the City 2," Noth is currently starring in the CBS drama "The Good Wife."

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