Katharine McPhee's Stepmom Moments With Erin and Sara Foster Over the Years

Katharine McPhee Stuns In Red Swimsuit As She Claps Back At Criticism Of Bikini Photo

Katharine McPhee hits back at critics of her husband David Foster after bikini photo garners buzz

Katharine McPhee Foster Has Fierce Response to "Haters" of Her Post-Baby Bikini Pic