Sara Foster shared her support for her father, David Foster's, marriage to Katharine McPhee, despite their age difference
Sara described McPhee as "amazing" and praised her ability to balance being a stepmom and respecting boundaries during an appearance on the latest edition of Let's Be Honest with Kristin Cavallari
David, 76, and McPhee, 42, recently celebrated seven years of marriage after first meeting on American Idol in 2006
Sara Foster is fully supportive of David Foster and Katharine McPhee's relationship.
The 45-year-old shared her opinion on her father's seven-year marriage to the American Idol alum, 42, during an appearance on Let's Be Honest with Kristin Cavallari on Tuesday, June 30.