There’s no doubt about it — Mr. Big is a proud, big daddy!

Chris Noth has spent the past two months holed up at home with his newborn son, Orion, and longtime girlfriend Tara Wilson, but the Law & Order: Criminal Intent star couldn’t wait to show off his boy, flashing photos of Orion at USA network’s upfronts.

So how is parenthood going? Great!

"I’m very lucky to have the girlfriend that I do because she’s probably the best mother in the world!” Chris tells Extra.

With the Sex and the City movie hitting theaters in two months, coupled with his television duties, Chris will have to learn to the fine art of juggling career and parenthood. As for talks of a possible sequel to the sure-to-be big film, the 53-year-old says, "I imagine if it made a lot of money, they’d want one.”

But he knows the decision ultimately falls on one person.

“I don’t know where Sarah [Jessica Parker] stands on that,” he says. “It’s sort of up to her. I’m just riding her coattails!"

For more on Chris, tune in to Extra tonight!

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