David Foster & Katharine McPhee - Christmas Songs

David Foster, Katharine McPhee - Christmas Songs

David Foster, Katharine McPhee - Christmas Songs

Katharine McPhee puts on a glamorous display in black dress

Katharine McPhee & David Foster's Son, 2, Is 'Coming For' Travis Barker In Impressive Drumming Video

They're Engaged! David Foster Proposes to Katharine McPhee During Romantic Italian Getaway

David Foster slammed for calling wife Katharine McPhee ‘fat’ on ‘American Idol’

David Foster and Katharine McPhee talk Las Vegas shows, raising young son