Maria Shriver said she is "gutted" over news of close friends Rob Reiner and Michele Singer Reiner's deaths, writing that the couple "loved their kids so much, and they never stopped trying to be really good parents.

I loved Michele and Rob Reiner. They were among my closest friends. We raised our kids together, from mommy and me on up,” Shriver wrote on Instagram.

Renowned cultural figures from Hollywood and beyond are paying tribute to director Rob Reiner, who was killed with his wife, Michele Singer Reiner, on December 14 in an apparent homicide. After Reiner’s death, his friends Larry David and Billy Crystal were seen at his home, per People, with Crystal looking on the edge of tears.

After news of the deaths of Rob Reiner and his wife Michele broke, several Hollywood celebrities shared their memories of the filmmaker. Frankenstein's Guillermo del Toro and former US President Joe Biden were the latest to share their tributes for the Reiner family.

Maria Shriver penned a heartbreaking tribute to her "closest friends" Michele and Rob Reiner, honoring them as parents, friends, and patriotic people.

Katherine also included a sweet photo of her two daughters looking into a massive gingerbread house, accompanied by their grandparents Maria and Arnold, another of them horseback riding, plus a sweet photo of little Ford decked out in a preppy, festive outfit.

Maria Shriver calls Rob Reiner and Michele Singer Reiner 'really good parents' in her heartbreaking tribute following their deaths.

Maria Shriver is “gutted” by the deaths of longtime friends Rob Reiner and wife Michele Singer Reiner, whom she said “never stopped” being committed parents. “I loved them, and I knew they loved me, for any friend like that is such a gift,