David Foster's Daughter Reacted to His Engagement News In an ... Interesting Way

It looks like Erin Foster has a new "mommy" ... who's a year younger than she is. 

It seems like just yesterday we were mulling whether things were getting serious between David Foster and Katherine McPhee. Well, we have an answer, and it's yes. As in, she said yes. ICYMI: The lovebirds are now officially engaged — and Foster's daughters are weighing in. 

Foster confirmed the news in an Instagram post on July 4. To caption a lovey-dovey shot of himself and Katharine cuddled up on a boat in Italy, he simply wrote: "Yup!" Needless to say, the post garnered tons of comments, and Foster's daughters Erin and Sara were among those to comment. 

Sara pulled a Cazzie David and wrote: "Out of the country. What did I miss?" (Har, har.) Meanwhile, Erin chimed in with: "Mommmyyy." Which is interesting, considering that Erin is 35 and McPhee is 34 ... 

🎼Yup!!

A post shared by David Foster (@davidfoster) on

Surely, the comment was nothing more than an affectionate joke, though. The sisters have both been openly surrportive of their dad's relationship. And in the past, Erin has referred to McPhee as her new "stepmom." But her real mom, in case you're interested, is Rebecca Dyer

A former model, Dyer was married to foster for four years in the 1980s. The music producer has been married four times before (including, of course, to Yolanda Hadid from 2011 to 2017.) Meanwhile, this will be McPhee's second marriage. 

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