Nicole Kidman can always count on her girlfriends for support. The Babygirl actress, 58, told Vogue that she has a close group of friends in Nashville. including her Big Little Lies costar Reese Witherspoon, who lives across the street, "a senior oncologist at Vanderbilt Hospital and another friend who runs a hospital," according to the outlet. "Ride-or-die friendships," Kidman called them.