Katharine McPhee and David Foster raising their son not to be an 'a-hole'

The singer, 39, and composer, 73, married in 2019, and McPhee gave birth to son Rennie in 2021

Katharine McPhee says that while she and her husband, David Foster, have different approaches to raising their 2-year-old son, they both want him to be "nice, polite" and basically not an "a-hole." 

"We both have strong boundaries, we just have different ways of approaching the boundaries," McPhee told US Weekly in an interview Monday. "I would say I’m more like that newer generation of gentle parenting and sort of explaining and having a bit more patience in like a, you know, just a new way than what I think the older generation was taught to parent." 

The "It’s Not Christmas Without You" singer, 39, married the "After the Love Has Gone" songwriter, 73, in 2019, and McPhee gave birth to their son Rennie in February 2021. Foster also has five grown daughters from previous relationships. 

"When I have a different approach — [I] get him to be more like my approach," she laughed, "without like wanting to take away from how he wants to parent." 

KATHARINE MCPHEE, 38, AND DAVID FOSTER, 73, WANT MORE KIDS AFTER WELCOMING SON: 'NOT IN ANY CRAZY RUSH’ 

katharine mcphee and david foster raising their son not to be an a hole

Katharine McPhee, 39, and David Foster, 73, share a 2-year-old son, Rennie. (Bruce Glikas/WireImage)

She further told US Weekly, "But the important thing is that we both — we don’t put up with any BS. We don’t want him to be an a-hole. We want him to be nice, polite, obedient, have his own voice and all that, you know, just a good kid." 

McPhee joked that changing her son is like an "aerobics class."

"It’s so funny, literally changing a fricking 2-year-old is the hardest thing," she told the outlet. "First of all, he’s so strong and it’s hard. It’s like an aerobics class. … I mean, he’s never liked having his clothes changed or whatever. So sometimes it turns into a game, sometimes it turns into a struggle, but honestly, just who knew changing clothes would be so difficult?" 

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McPhee said Rennie also loves to listen to the holiday album "Christmas Songs" that she and Foster released last year. 

"I swear to you that I do not play him songs of me so that I can hear myself all day long," she promised. "But he’s now obsessed with our Christmas album."

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"He’s obsessed with our version" of ‘I’ll be Home for Christmas," McPhee revealed. "I try to play him other people’s version, and he’s like, ‘No, no, no, no, no, no.’ And then he goes, and he can see on the Spotify which one it is, he sees our face and I have to listen to it over and over and over and over again."

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She laughed, "Unfortunately, I have to listen to myself all day long. Once or twice is fine, but over and over again was not exactly what I had in mind." 

katharine mcphee and david foster raising their son not to be an a hole

McPhee said Rennie loves to listen to the holiday album "Christmas Songs" that she and Foster released last year.  (Sonja Flemming/CBS via Getty Images)

McPhee and Foster have also been mourning the loss of their nanny, Yadira Calito, who was killed this summer at a car dealership in Los Angeles. 

In August, McPhee and Foster canceled the final two concerts on their Hitman Tour due to a "horrible tragedy" and rushed home from overseas to be with family after her death.

"It's been tough for her," Foster told Entertainment Tonight of McPhee while sitting alongside his wife a month after the tragedy. "Yeah, it's been tough. She's managing."

The couple have since returned to touring and are set to release the second part of their holiday album later this year.

Authored by Brie Stimson via FoxNews October 24th 2023