By Rachel Mcgrath For Dailymail.com
Published: 00:19 BST, 13 June 2019 | Updated: 00:19 BST, 13 June 2019
They met on the set of the long-running crime drama Law & Order: SVU and married in 2004.
And in this week's issue of People magazine, Mariska Hargitay and Peter Hermann have revealed that the key to their happy marriage is laughter.
'I never thought I would have this much laughter in my life,' Hermann explained. 'Not just actual laughter. But also the way that Mariska is just the embodiment of laughter, of joy.'
Going strong: Mariska Hargitay and Peter Hermann, pictured June 4 in NYC, have been married since 2004 and tell People this week that the key to their happy marriage is laughter
Hargitay, 55, and Hermann, 51, live in New York and have three children - sons August, 12, and Andrew, seven, and daughter Amaya, eight.
Since 1999, Hargitay, daughter of Hollywood star Jayne Mansfield, has played Lieutenant Olivia Benson on the Dick Wolf procedural.
Hermann has a recurring role on the TV series as defense attorney Trevor Langan and since 2015 has