What David Foster and Katharine McPhee Foster Are Afraid Son Rennie Will Discover About Them on YouTube

Katharine said Rennie did not get to see his parents in their costumes and was home with his nanny while they taped the series. She added, “It was a good exercise in work life and mom life, and it went great.”

“It was a very weird experience running off to the set every day, because we were having to lie to people all the time,” the singer said. “So, for instance, we both have the app called Find [My] Friends so our family, David’s daughters, my mom, my sister, my best friends were like messaging me and being like, ‘What are you working on right now? It says you’re at the studio, the Sunset Gower studio. What are you working on?'”

Their answer? “We told them, ‘Oh we’re working on a secret Christmas special.’ We had to lie. For two weeks, three weeks straight,” she recalled.

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source: eonline.com