American Idol Report: Katharine McPhee engaged since March, career behind secret 10/08/2007 Katharine McPhee's reported engagement to boyfriend Nick Cokas has apparently taken a backseat to the American Idol fifth-season runner-up's career. 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
