Katharine McPhee: I Was ‘Very Concerned’ What People Would Think of David Foster Age Gap

Keeping it real! Katharine McPhee gave her 3-week-old son, Rennie, a shout-out for how he’s changed her body.

Katharine McPhee has "annoyed" her husband, The "American Idol" alum recently welcomed a son with famed songwriter David Foster, and on Wednesday, she revealed on the "Today" show that they had chosen to name him Rennie. Her the interview with Hoda Kotb and Jenna Bush Hager, McPhee, 36, joked that Foster "probably will kill [her] for saying" the name publicly.

Katharine McPhee, 36, admitted husband David Foster, 71, wasn’t so thrilled she spilled tea on their newborn son’s name! “You know, my husband was kind of annoyed…I’m in trouble, but hopefully my husband won’t be too mad at me!” the American Idolalum revealed on SiriusXM’s The Jess Cagle Show on Thursday, Mar. 18.

 Katharine McPhee  was excited to share the name of her first born child, Rennie David Foster, with the world. Her husband, David Foster, on the other hand, wasn’t as happy with her decision.

Whoops! Katharine McPhee decided to share her 3-week-old son Rennie’s name on Wednesday, March 17 — and husband David Foster was not happy about it.

Katharine McPhee is positively glowing! Three weeks after the American Idolalum, 36, welcomed her first child with husband David Foster, 71, she took to Instagram to share a photo of herself in a green silk dress for St Patrick’s Day. Katharine simply captioned the post with a four leaf clover, as she rocked the long-sleeved satin midi dress, which featured a high slit up one leg. The brunette beauty paired the ‘fit with nude pumps and a matching, green face mask.

Katharine McPhee is opening up about her baby boy. The "American Idol" alum, 36, and her husband David Foster, 71, announced in February that they’d welcomed their first child together.

Katharine McPhee and David Foster are loving on their baby boy.

Spilling the beans! Katharine McPhee joked on Wednesday, March 17, that her husband, David Foster, would “kill” her for sharing their baby boy’s name.

There he is! Katharine McPhee shared a sweet shot with her son two weeks after his birth.

Katharine McPhee is loving motherhood so far. On Saturday, McPhee, 36, shared a sweet picture of her and her newborn baby in an Instagram Story.

Katharine McPhee is loving being a mom! Less than two weeks after the American Idolalum, 36, welcomed her first child with husband David Foster, 71, she took to her Instagram Story to share her first photo with the adorable tot. “Just in case you were wondering… I love being a mommy!” the Broadway star captioned the photo, adding two crying emojis.

Katharine McPhee is aware of what people think about her relationship with David Foster and she is opening up about how she was initially hesitant to date him because of that.

When Katharine McPhee and husband David Foster first got together, eyebrows were raised due to the substantial gap between their ages — she’s 36, while the legendary Canadian music producer is 71.

Katharine McPhee has revealed how getting pregnant left her facing her previous battles with disordered eating and bulimia.

Katharine McPhee is opening up about the challenges of her pregnancy. Earlier this week, it was revealed that the "American Idol" alum, 36, welcomed a baby boy with her husband, David Foster, 71.The pair had confirmed the pregnancy in December.

Keeping caution. Katharine McPhee was worried about experiencing an eating disorder relapse while pregnant with her and David Foster’s baby boy.