American Idol Katharine McPhee and Nick Cokas reportedly "working on their marriage" following cheating incident 03/11/2014 Katharine McPhee and husband Nick Cokas are "working on their marriage," sources tell Us Weekly. Read More RELATED NEWS Katharine McPhee leaves David Foster tour after "horrible" family tragedy'American Idol' alum Kellie Pickler's husband Kyle Jacobs dead from apparent suicideKatharine McPhee gives birth to first child with David Foster TAGS: American Idol Katharine McPhee Mary McCormack Michael Morris Smash Shark Night
