Foster and McPhee Foster, 39, welcomed Rennie back in February 2021. When asked about what it's like parenting a toddler in his 70s, Foster told People last year that being a father at his age has forced him to learn to prioritize his time and embrace patience.

\"At this point in my life, it's different again. Not better or worse, just different,\" Foster said. \"I still work, I'm still gone a lot, but maybe the time is a little more precious to me because I got more runway behind me than I have ahead of me now.\"

\"PHOTO:
Michael Kovac/Getty Images
PHOTO: Katharine McPhee and David Foster at 81st Annual Golden Globes, celebrating 13 years of Toast for a Cause at the Beverly Hilton on Jan. 7, 2023.
>

The father of six also said he thinks he can share more wisdom with young Rennie.

\"I think I can offer him wisdom from my 72 years on the planet. And maybe that's not a bad trade-off. I hope so,\" he added at the time.

Aside from Rennie, Foster is also a dad to five daughters from previous relationships.

Foster and McPhee Foster released a holiday album, \"Christmas Songs,\" last October and will be touring in February and March.

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