The actress and producer appeared on 'The Late Show with Stephen Colbert' in look inspired by Mansfield's 1958 gown

SVU" actress Mariska Hargitay discussed "My Mom Jayne" on "The Late Show with Stephen Colbert." The film is a documentary about her mother, late Hollywood star Jayne Mansfield.

Mariska Hargitay’s new documentary, “My Mom Jayne,” reveals heartbreaking new information about the night her mother Jayne Mansfield died. While shooting her directorial debut, the “Law & Order: Special Victims Unit” star learned how she was accidentally left behind at the scene of the car crash which killed her mother and two other people.