A naturalized citizen of the United States.
Born in Glenfield, a suburb of Auckland, New Zealand, her parents divorced when she was still a child. Wanting to be a ballet dancer, she was diagnosed with a rare blood disease as a teenager, which curtailed her dancing ambitions.
At the age of 21, Hunter met rock star Rod Stewart, 24 years her senior, and they were married on 15 December 1990. Together they had two children, Renee and Liam, but separated in January 1999 and their divorce was finalised on 2 November 2006.
Hunter was engaged to NHL hockey player Jarret Stoll of the Los Angeles Kings and they planned to marry in August 2009, but the wedding was called off. Hunter resided in Manhattan Beach, California during this period.