United Kingdom, Feb. 26 -- Christina Applegate was abused when she was just five years old.

The 54-year-old actress was primarily raised by her mom, Nancy Priddy, after her father Robert Applegate left the family when she was just a few months old, and she has told how she was molested by a female babysitter, which has had a lasting impact on her life.

Writing in her new memoir You With the Sad Eyes in an extract obtained by People magazine, Christina revealed: "I knew every part of it was wrong. I felt sick and scared and sad...

"I never fully felt comfortable being touched, and that's true still. I've never felt comfortable with it my whole life, really, and all because of that girl forcing me to do something I barely understood but ...