text: In her 2011 book, she revealed having had an affair with Arnold Schwarzenegger during the filming of Red Sonja (1985), after Schwarzenegger had just started a relationship with Maria Shriver. Schwarzenegger confirmed this in July 2020.
  Nielsen became engaged to actor Sylvester Stallone during the production of Rocky IV. They married after the release of the film, on December 15, 1985, at the Beverly Hills, California home of producer Irwin Winkler. They eventually divorced. Their marriage and divorce were both highly publicized by the tabloid press due to their involvement on Rocky IV and Cobra.
  From 1988 to 1990, she was in a relationship with American football player Mark Gastineau, with whom she had her second child, Killian Gastineau.
  Between 1990 and 1992 she was married to director and photographer Sebastian Copeland. During a 2012 interview on the German reality TV show Ich bin ein Star – Holt mich hier raus!, she confessed to having had a one-night stand with Sean Penn in Cannes back in May 1991.
  Nielsen has two sons with her fourth husband Raoul Meyer, Raoul Meyer Jr. and Douglas Meyer.
  In 2005, she had a relationship with rapper Flavor Flav, whom she met during her participation in VH1 reality show The Surreal Life.