“#ProudMom,” McPhee Foster captioned the video on her Instagram It looks like Katharine McFee Foster and David Foster’s son inherited his parents’ talent. In a video posted to Instagram ...

Katharine McPhee and David Foster know how to put on a show with their little one. McPhee, 39, took to Instagram on Monday, February 26, to share a video of the couple's 3-year-old son ...

Katharine McPhee Jokes David Foster Is ‘Devastated’ After Son Rennie, 3, ‘Lost Interest’ in Playing the Drums (Exclusive) Katharine McPhee Shares What She Got for David Foster's 75th ...

Foster and Katharine McPhee's 3-year-old son made his stage debut at the Kennedy Center in February. David Foster chats with ET's Deidre Behar at the 10th Breakthrough Prize Awards in Los Angeles.