Valerie Mahaffey, a prolific actress of film, stage and TV shows including "Young Sheldon" and "Northern Exposure," has died at 71 from cancer.

I have lost the love of my life, and America has lost one of its most endearing actresses,” her husband, Joseph Kell, tells Page Six.

Valerie Mahaffey, a veteran actress whose myriad TV roles included Northern Exposure (for which she won an Emmy), Desperate Housewives and Young Sheldon, died on Friday after a battle with cancer. She was 71.