David Foster Gushes Over Fiancée Katharine McPhee: 'I Won the Lottery'

David Foster and Katharine McPhee can’t wait to be married!

The 34-year-old singer and the 69-year-old music producer couldn’t help but gush about each other in a cute Instagram interaction.

Katharine first took to her Instagram story to send David a sweet note while she’s in London starring in a production of Waitress.

“Far away from each other but still can’t wait to marry you @davidfoster,” Katharine wrote, showing off her engagement ring.

David took to his own Instagram to share the pic, adding, “🎼I won the lottery!!!”

Too sweet!

Check out David‘s post below…