Nicole Kidman’s admitted that Hollywood probably has contributed to the problem of violence against women.

The Oscar-winning actress was giving evidence to a US congressional committee.

She conceded women were sometimes portrayed as weak sex objects, but said the movie industry’s made an effort to find solutions.

Kidman testified before a House Foreign Affairs subcommittee that is considering legislation to address violence against women overseas through humanitarian relief efforts and grants to local organizations working on the problem.

Asked  if the movie industry has “played a bad role,” Kidman said “probably,” but quickly added that she herself doesn’t.

“I can’t be responsible for all of Hollywood but I can certainly be responsible for my own career,” she said.

Kidman appeared before the committee in her role as a goodwill ambassador for the U.N. Development Fund for Women, to promote the International Violence Against Women Act.

“In the real world, the laws go unenforced and impunity is the norm,” she said.

The Australian star told Congress that the U.N. women’s fund needs more resources.