David Foster & Katharine McPhee On Their 'Musical' Son Following in Their Footsteps (Exclusive)

Lili Reinhart flashes her toned abs in crop top with Katharine McPhee and Alessandra Ambrosio

Katharine McPhee flashes a hint of midriff in white outfit while at the Solaria Culture Exhibition

Broadway's 'Waitress' Stars Katharine McPhee & Erich Bergen Reunite for Charity Performance in Vegas