SVU icon Mariska Hargitay just gave fans a rare glimpse into her private world — and it happened on one of the most glamorous red carpets of the year. Walking hand in hand with her husband Peter Hermann,

My Mom Jayne,' which marks Mariska Hargitay's feature film directorial debut, premiered at the Cannes Film Festival. In the documentary, the actress reveals a shocking family secret she's kept for more than 30 years.

Mariska Hargitay says that in her 20s, she discovered that the man who raised her was not her biological father — but she has no regrets: 'I grew up where I was supposed to.'