Katharine McPhee's Rare Photos With Her and David Foster's Son Rennie "@katharinefoster you must be so proud!!" one user wrote, while another added, "I love it. Mommy sidestage cheering on her ...

Katharine McPhee shares a video of her and David Foster's 3-year-old son, Rennie, performing at the Kennedy Center with his dad. Katharine McPhee and David Foster's toddler is taking after his ...

Katharine McPhee shares a video of her and David Foster's 3-year-old son, Rennie, performing at the Kennedy Center with his dad. Katharine McPhee and David Foster's toddler is taking after his ...

Start Em Young' Katharine McPhee Jokes Husband David Foster Doesn't Get 'Much Attention' in Loved-Up Photos Katharine McPhee Shares Videos of Her and David Foster's 'Little Drummer Boy' Rennie ...

She Was Iconic in Her Own Right' Katharine McPhee Jokes Husband David Foster Doesn't Get 'Much Attention' in Loved-Up Photos Katharine McPhee Shares Videos of Her and David Foster's 'Little ...