American Idol Katharine McPhee leaves David Foster tour after "horrible" family tragedy 08/11/2023 Katharine McPhee is exiting her tour with her husband, David Foster, due to a "horrible" family tragedy. Read More RELATED NEWS 'American Idol' alum Mandisa's cause of death revealed'American Idol' alum Mandisa dead at age 47Katharine McPhee leaves David Foster tour after "horrible" family tragedy TAGS: American Idol Katharine McPhee David Foster
