American Idol Katharine McPhee to finally join 'Idol' tour, denies rampant rumors 07/27/2006 With singer Katharine McPhee missing several "American Idol" tour dates, speculation has been growing why she has not been performing with the tour. 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
