The couple married in 2019 and share a 5-year-old son.

David Foster‘s daughter Sara Foster is opening up about her relationship with stepmom Katharine McPhee. During Sara’s Tuesday ...

"I look at her as a sister, but like she is my stepmom," Sara, 45, said of McPhee, 42 ...

Katharine McPhee and David Foster made their red carpet debut in 2018, and got married a year later in June 2019. Here are 11 ...

Katharine McPhee is proving a sense of humor will help a marriage go the distance — seven years into her union with David ...

Sara Foster spoke out about the speculation that her dad David Foster is a billionaire that supports her or her siblings with ...

Sara Foster has opened up about her relationship with her dad David Foster’s wife, Katharine McPhee.The 45-year-old recently ...

Katharine McPhee may be younger than her stepdaughters Erin Foster and Sara Foster, but they still have a close bond. The ...

The 'American Idol' alumna and her husband tied the knot on shares five-year-old son Rennie with husband David Foster ...

David Foster got together with three of his daughters and his wife, Katharine McPhee, for the opening of his new Broadway musical. After snapping photos with his family, David watched as the show made ...

Joining Foster on stage Aug. 8 will be singer-songwriter and rapper CeeLo Green, singer Loren Allred and singer-songwriter Sheléa.

Sara Foster is not pressed about her dad David Foster’s 35-year age gap with his wife, Katharine McPhee. “It’s not easy ...