Katharine McPhee, 38, and husband David Foster, 72, enjoy boat trip in Capri

Katharine McPhee Shares First Look at Son’s Face in Sweet Father’s Day Post for David Foster

Katharine McPhee Spotted at Father's Day Dinner with David Foster, Plus See Her Touching Message for Him!

Katharine McPhee Shares 1st Photo of Son Rennie’s Face While Gushing About Husband David Foster