Katharine McPhee gushes over being a first-time mother during The Kelly Clarkson Show appearance

Katharine McPhee Models Swimsuit From Stepdaughter Sara Foster's Line One Month After Giving Birth

Katharine McPhee, 37, poses in swimsuit from 40-year-old step-daughter Sara Foster's collection

Katharine McPhee Proudly Poses in a Bikini Weeks After Welcoming Baby: "Loving My Curves"