Christina Applegate and daughter Sadie Grace LeNoble attend the 29th Annual Screen Actors Guild Awards in February 2023. Getty Images Sigler admitted she “lived in a state of denial” at the time.

Christina Applegate shared that after her parents split up when she was 5 months old, her father moved up to the Big Sur area of central California.

Matt Winkelmeyer/Getty Christina Applegate in Los Angeles in 2023. “I have a certain kind of heartbreak with that, which is, number one, I'll never see him or talk to him again,” Applegate shared.