By peoplestaff225
Updated April 13, 2010 04:00 PM
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Freewheelin’ fun! Mariska Hargitay takes son August Miklos Friedrich for a spin while filming Law & Order: Special Victims Unit on Monday in Central Park.

August, 3½, who is the only child for Hargitay, 46, and husband Peter Hermann, was also spotted on set last week, wrapping mom in a hug!