“Happy Birthday Mama,” Hargitay wrote on Instagram alongside a heart emoji.

“We live to love you more each day.”

Hargitay was in the back seat with two of her siblings during the crash that killed Mansfield.

Mariska Hargitay and Jayne Mansfield

Mariska Hargitay and her late mother, Jayne Mansfield.Dimitrios Kambouris/Getty Images; Donaldson Collection/Getty Images

Although all three children survived, they’ve had to live with the trauma ever since.

“And then we transform it.”