Article continues below advertisementNicole Kidman is leaning on family after her shocking split from Keith Urban.On Wednesday, October 1, the 58-year-old actress was spotted hiking in Nashville with her sister, Antonia Kidman, just days after news of the divorce broke. Photos showed The Perfect Couple star dressed casually in a gray baseball cap, a matching zip-up jacket and black leggings. She looked relaxed and smiling as she chatted with her sibling. Antonia kept things sporty in a pink dri-fit top and khaki hiking pants, while Nicole later shielded her face with oversized sunglasses.