David Foster, Katharine McPhee have a marriage without 'hard and fast rules'
David Foster and Katharine McPhee don't abide by rules in their marriage. In an interview with People magazine, Foster, 74, ...
Katharine McPhee Shares What She Got for David Foster's 75th Birthday — and It Might Surprise You (Exclusive)
The couple celebrated the music producer's milestone birthday at the Hollywood Bowl on Nov. 3 Katharine McPhee kept things ...