Katharine McPhee Husband: Inside Her Love Story with David Foster

If you’ve followed Katharine McPhee’s career since her American Idol days, you know she’s more than just a powerhouse vocalist. She’s also a successful actress, Broadway performer, and all-around entertainer. But while we’ve seen her light up the stage and screen, fans are equally curious about her off-stage life—especially her relationship with music mogul David Foster.

So, who is Katharine McPhee’s husband, and what makes their story so intriguing? Let’s dive into it.

Who Is Katharine McPhee Married To?

Katharine McPhee is married to David Foster, a legendary music producer and composer with decades of hits under his belt. And yes, their relationship has raised some eyebrows—mostly because of the age gap (he’s 34 years older)—but honestly, they’ve proven time and again that love doesn’t follow a rulebook.

The couple officially got engaged in 2018 during a romantic trip to Italy. A year later, they said “I do” in a dreamy, intimate wedding at the Church of Saint Yeghiche in London. Think over 100 guests, candlelight, and a lot of love. A source described it as “magical”—and from the photos, it’s hard to argue with that.

What Does David Foster Do?

Let’s be real—David Foster is a huge name in the music world.

He started his career in the 1970s and has since worked with pretty much every big name you can think of—Whitney Houston, Céline Dion, Michael Bublé, Josh Groban, Chicago… the list goes on. He’s a 16-time Grammy winner (yes, sixteen!), and his skills as a producer, arranger, and composer are basically unmatched.

He’s also released solo albums and helped shape the sound of generations. So, it’s safe to say that music is a major shared passion between him and Katharine, and that likely plays a big role in the strength of their bond.

A Relationship That Grew From Friendship

What many people don’t realize is that Katharine and David actually go way back. He first worked with her during her American Idol days in 2006, and they kept in touch over the years. At first, they were just friends—but that friendship quietly turned into something more.

Romance rumors really picked up in 2017 after they were spotted looking cozy at a dinner in Malibu. Then came a few red carpet events, some cheeky Instagram captions (including a hilarious one from Foster’s daughter Erin welcoming her “new stepmom”), and the rest is history.

In February 2021, they welcomed their first child together, a son named Rennie, and Katharine has been very open about how much motherhood has changed her—in the best way.

More Than Just a Hollywood Love Story

Sure, their romance has all the elements of a classic celebrity love story—glamorous events, famous faces, and big musical moments—but it’s also refreshingly down-to-earth. They laugh, they support each other’s careers, and they’ve built a beautiful family life together.

At the end of the day, Katharine McPhee and David Foster are proof that love can come from unexpected places, grow over time, and thrive when it’s built on respect, shared passion, and a deep appreciation for each other.