Foster Sisters Love Katharine McPhee | Raleigh News

Raleigh News Today | 2 Min News | The Daily News Now! · Jul 1, 2026 · 1m

Katharine McPhee and David Foster’s blended family is a heartwarming success story—despite the age gap, Katharine has won over David’s two adult daughters, Erin and Sara, who’ve openly celebrated her as a loving stepmom. From calling her “Mommmyyy” on Instagram to defending her against online critics, the sisters have embraced Katharine with humor and admiration. Their bond deepened with the arrival of baby Rennie, and recent posts show Sara praising Katharine’s parenting and Erin supporting her post-baby journey. Together, they’ve turned blended family dynamics into a joyful, open, and…