Katharine McPhee poses in stepdaughter Sara Foster’s swim line one month after giving birth: ‘You nail it’
Katharine McPhee continues to bask in the glory of her post-baby body. The singer-songwriter, 37, who welcomed her first child, son Rennie David, with husband David Foster, in late February, showed off her newly-acquired curves in a selfie snap shared to her Instagram Story on April 1 as she modeled a one-piece tie-dye swimsuit created by her stepdaughter, Sara Foster, 40.