What is age difference between David and Katherine McPhee?

David Foster's Daughters' 'Biggest Issue' w/ Katharine McPhee

the moment katharine mcphee and david foster fell in love on american idol

David Foster, 72, on age difference with Katharine McPhee, 37: 'We think we have it pretty together'

Top 10 Celebrity Couples With A Huge Age Difference

Linda Thompson Reacts To Ex David Foster's Engagement: 'The Biggest Deterrent Is The Age Difference'

David Foster, 72, comments on age difference with wife Katharine McPhee, 37 'We think we have it pr

David Foster on his new Netflix doc, age difference with Katharine McPhee: 'That's our only problem'

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Katharine McPhee on her love story with David Foster

Top 30 Celebrity Couples With a Big Age Difference

David Foster talks 35-year age gap with wife Katharine McPhee: 'We have it pretty together'

David Foster’s daughters reveal their only issue with his wife Katharine

David Foster Private Lifestyle and Biography II Net Worth II Secret Lifestyle II Wife & Girlfriends.

David Foster Dines At Craig's After Fiancee Katherine McPhee Claps Back At Online Trolls

David Foster Reveals How His Daughters Feel About His 2 Year Old Son

Katharine McPhee & fiance David Foster at American Icon Awards

David Foster Slammed Over Comment About Katharine McPhee Body Less Than 1 Year After Son’s Birth

Katherine McPhee just destroyed a critic regarding her upcoming marriage to David Foster

Katharine McPhee and David Foster: A Timeline of Their Relationship