Law & Order: Special Victims Unit star Mariska Hargitay, who plays Det. Olivia Benson, is an advocate for survivors of domestic violence and rape. She focuses on testing the backlog of rape kits through her Joyful Heart Foundation. In honor of Domestic Violence Awareness month, Hargitay has been using her Instagram to raise awareness. She shared an empowering message and a photo with her husband, Peter Hermann, featuring the signature green balloons associated with her foundation. Hargitay and Hermann have been happily married for nineteen years. Hermann is also known for his roles on SVU and 30 Rock.