With age comes wisdom, but for Christopher Meloni, age also comes with a career hot streak and the label "Zaddy" — neither of which he was expecting in his 60s. Thanks to the actor's return to his beloved Law & Order: Special Victims Unit role, NYPD detective Elliot Stabler, and several viral moments showcasing his chiseled physique — including his nude Peloton ad and impressive backside photos posted by fans on social media — Meloni has become an intergenerational sex symbol. "It's a second act to a certain degree," he tells PEOPLE in this week's issue. Tap the bio link for the full story and pick up an issue on newsstands Friday. 📷: @mschwartzphoto