The 5-year-old actress' costume: a decorated car seat cover. The 47-year-old actress plays a woman whose memory is wiped clean every night, and begins questioning her husband and others as she tries to unravel what happened to her. Tapping into feelings from past personal experiences — love, trauma, heartbreak, whatever — is essential to acting, she said. Kidman's very first childhood memories are apropos for the release date of her latest film. The one role she wanted to hold on to the longest: her Oscar-nominated turn as Satine in Baz Luhrmann's 2001 musical, "Moulin Rouge!"