Mariska Hargitay is a proud mom of three children, but she rarely shares photos of her offspring on social media.

SEE: Mariska Hargitay stuns in swimwear-clad photos with husband Peter Hermann

However, in honor of Halloween, the Law & Order: SVU star took to Instagram to post an extremely rare glimpse of her family with a head-turning photo which included her husband, Peter Hermann, and their kids August, 16, Amaya, 11, and Andrew, also 11.