Katharine McPhee and David Foster Celebrate Son Rennie's Third Birthday at Disney World While on Tour Together

The couple took their toddler to the happiest place on earth ahead of his 3rd birthday on Thursday

• David Foster and Katharine McPhee Foster celebrated son Rennie's third birthday at Disney World

• Rennie turns 3 on Feb. 22

• Foster is also dad to five adult children — Allison, 53, Amy, 50, Sara, 42, Erin, 41, and Jordan, 37

David Foster and Katharine McPhee Foster are taking some much-needed time for fun away from the stage.

The couple spent the weekend in Florida for dates on their "An Intimate Evening" tour. While there, they two decided to step away from tour life and celebrate son Rennie's third birthday at Walt Disney World.

"I dragged the fam to Disneyworld for Rennie's bday on a day off. Whose [sic] happier than me?" McPhee Foster captioned a video from the day shared on her Instagram Story on Monday.

The legendary music producer, 74, could be seen smiling as he strolled with his wife, who pushed the birthday boy in a stroller as they explored the vast theme park. In another photo, Rennie appeared cautious as he joined his mom in greeting Mickey Mouse.

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Related: David Foster's 6 Kids: Everything to Know

In addition to Rennie, Foster is dad to five adult children — Allison, 53, Amy, 50, Sara, 42, Erin, 41, and Jordan, 37.

Last month, Foster championed the relationship between Rennie and his adult siblings after commentary began when the father of six shared a video of Rennie drumming to Michael Jackson's hit "Rock With You" on Instagram. The comments on the post are full of praise for Rennie's musical talent, but one Instagram user took the opportunity to criticize his parenting.

"Lol!!!! He's the dad.....he's also got daughters (he abandoned) older than me," the user wrote in response to someone else.

Foster denied seeing the discussion in his comment and said the relationship between the six is "great."

"Obviously, it's a unique situation, probably one that none of us planned for, but my daughters are great, all of them, all five of them are great," Foster said of Amy coming to his defense in the matter.

"They've embraced Rennie and it's actually great," he added, explaining the family tries to "do our best" to keep their bonds strong. "We have a lot of traveling, but we do our best and it's working out really well," he said.

"My daughters are all self-sufficient. They're all making their own way. They're all doing great. So I'm really proud of all of them and Rennie too. So he's in the spotlight for now."

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