'Father Knows Best' star Lauren Chapin dead at 80 after 5-year cancer battle

Lauren Chapin, best known for her role as Kathy "Kitten" Anderson on the classic television series "Father Knows Best," has died. She was 80. 

On Tuesday, Chapin's son, Matthew, announced the news via Facebook.

"After a long hard-fought battle over the past 5 years, the time has come. My mother Lauren Chapin passed away from her battle with cancer tonight," Matthew wrote, tagging a fan page for his mother. "I'm at a complete loss for words right now. Please keep my sister and family...