On 12th of October 1980, Kim got married to Ron Snyder-Britton. Ron Snyder-Britton is a makeup artist and they met for the first time on the set of Hard Country. They were having romantic married life but it came to an end in 1989.
Within few months Kim was seen having love affairs with Alec Baldwin. They also played the lovers role in romantic comedy movie, The Marrying Man and they got married on 19th of August 1993. They also welcomed their only child in 1995. She also got divorced with him in 2002.
Shy and lonely as a child, Kim began studying Ballet dance from the age of 3 but when she reached in her mid teens, she became more interested in her mother's profession and she became the school cheerleader and at the age of 16, she began modeling. During her early days, she earned the salary of $1,000 a day but she began losing her interest in modeling. In 1976, she officially quit modeling and she began acting in the television series, Gemini Man. The following year, she appeared in The Six Million Dollar Man and then in 1981, she played her debut feature film, Hard Country. Her net worth is said to be around $36 million.