United Kingdom, June 30 -- Sara Foster has defended her dad David Foster's age gap with Katharine McPhee.

The 76-year-old musician has been married to Katharine, 42, since 2019, and Sara has now launched an impassioned defence of their relationship, insisting people pay too much attention to their age gap.

During an appearance on the Let's Be Honest podcast, Sara explained: "It's not easy coming into this family. It's not easy, and I think they've gotten so much, not s***, but the age difference."

Sara explained that the decision to tie the knot was not a spur-of-the-moment one for the loved-up couple.

She said: "Everyone has an opinion about something.

"They're 12 years in, and they are happy . She's a fully consenting lady, this is...