American Idol Katharine McPhee gives birth to first child with David Foster 02/28/2021 Katharine McPhee has become a mother. 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 Linda Thompson David Foster Smash Scorpion