Katharine McPhee & David Foster Show Off Their 17-Month-Old Son's Musical Talents! (Video)

Proof Katharine McPhee and David Foster's 17-Month-Old Son Is Already a Budding Musician

Katharine McPhee Explains Why She Doesn't Wear Expensive Jewelry in Beverly Hills Anymore, Endorses Rick Caruso

Katharine McPhee, 38, and her husband David Foster, 72, are the picture of marital bliss in LA