ZitatMary Kay Letourneau, the controversial Washington middle school teacher who began a sexual relationship with student Vili Fualaau, has died of stage 4 cancer, PEOPLE confirms. She was 58.
According to two sources close to Letourneau, she died Monday after quietly battling the disease for several months.
A source close to Letourneau tells PEOPLE that her health began to deteriorate dramatically in recent months. She lost weight and was constantly tired. "It was a very sad ending," the source says.