Katharine McPhee, 36, hits back at troll who claimed she married David Foster, 71, for his money

Katharine McPhee covers her baby bump in red for Valentine's Day outing with husband David Foster

Katharine McPhee plays musician-turned-nanny opposite Eddie Cibrian in first look at Country Comfort

Katharine McPhee Pokes Fun at "Instagram vs Reality" With Ultra Glam Maternity Photos