Katharine McPhee with David Foster and The Kat and Dave Show

Katharine McPhee gained fame on American Idol. Known for hits like “Over It,” she starred in “Smash” and films, released albums like “I Fall in Love Too Easily,” and acts in “Scorpion.”

David Foster, born in Victoria, BC, is a renowned producer, composer, and keyboardist. Known for power ballads with artists like Céline Dion, Whitney Houston, and Chicago, he's won multiple Grammys, shaped adult contemporary music, and launched careers of Josh Groban and Michael Bublé.