Katharine McPhee And David Foster Age Gap
TL;DR: Katharine McPhee and David Foster have a 34-year age gap. McPhee was born in 1984, and Foster was born in 1949. Their significant age difference has been publicly noted, especially since their marriage in 2019.

David Foster
November 1, 1949

Katharine McPhee
March 25, 1984
Katharine McPhee And David Foster Age Difference Infographic

The Math That Made Everyone Do a Double-Take

Foster was already producing hits when McPhee was learning to walk. By the time she auditioned for American Idol at 21, he'd been married twice and divorced twice. The exact breakdown? 34 years, 4 months, and 24 days—or as Foster's daughters joke, old enough to be her father but young enough to keep up with her bikini photos.
The real kicker: This isn't your typical Hollywood May-December romance that bloomed overnight.
How Did a Mentor Become a Husband?

Their origin story reads like a cautionary tale turned fairy tale. Picture this: 2006, American Idol set, 21-year-old contestant meets 56-year-old industry titan guest mentoring alongside Andrea Bocelli. Foster produced McPhee's first single, establishing himself as the powerful industry figure who could make or break her career.
Then comes the plot twist that launched a thousand think pieces: Foster played piano at McPhee's 2008 wedding to Nick Cokas.
The internet still hasn't recovered from processing that detail. For a decade, they maintained their "just friends and colleagues" status while their marriages crumbled—McPhee's divorce finalized in 2016, Foster's in 2017.
When Did Everyone Realize This Was Happening?

May 2017 marked the shift when paparazzi caught them looking "cozy" in Malibu. Sources initially denied any romance (sure, Jan), but by 2018, they were Met Gala official. The engagement announcement that June sent celebrity watchers into overdrive—especially given Foster's track record of four previous marriages.
🔍 Age-Gap Intel: At their 2019 London wedding, she was 35 and he was 69—making this his fifth trip down the aisle.
The timeline that really gets people talking? From mentor to wedding pianist to husband in 13 years.
Why Do People Have Such Strong Opinions?

The controversies surrounding McPhee and Foster aren't random—they're strategic flashpoints where his power and her vulnerabilities collide. December 2021's "What baby!" bikini photo incident perfectly encapsulates their dynamic. Foster posted McPhee in a swimsuit 10 months postpartum with that caption, triggering immediate backlash about body image pressure.
Critics called it "tone-deaf" and "misogynistic," especially given McPhee's public battle with bulimia. Her response? Post another bikini photo and tell critics to "get a life."
Then there's the viral "You were fat" comment from 2024. During a concert, McPhee mentioned being "a little chubby" on American Idol. Foster, at the piano, interjected: "Oh yeah. You were fat." The audience laughed; the internet didn't.
What Do the Numbers Really Tell Us?

Foster's relationship resume reads like a Hollywood directory:
- B.J. Cook (1972-1981)
- Rebecca Dyer (1982-1986)
- Linda Thompson (1991-2005)
- Yolanda Hadid (2011-2017)
- Katharine McPhee (2019-present)
He has six children total—five daughters from previous relationships who are McPhee's age or older, plus baby Rennie with McPhee. The family dynamic? His daughters publicly support the union, with Erin Foster joking her only issue is "how hot she is!"
📊 By The Numbers: McPhee has navigated from being younger than some of Foster's children to being their stepmother—a feat requiring what Foster calls "a huge talent."
How Do They Stack Up Against Other Age-Gap Couples?

Their 34-year difference puts them in exclusive company:
The Competition:
- Dennis Quaid & Laura Savoie: 39 years
- Patrick Stewart & Sunny Ozell: 38 years
- Sarah Paulson & Holland Taylor: 31 years
- Jeff Goldblum & Emilie Livingston: 30-31 years
What sets McPhee-Foster apart? The mentor-to-spouse pipeline combined with Foster's very public commentary about her body creates a unique dynamic other couples don't face.
Is This Actually Working?

Despite the critics, they're still going strong five years in. They've collaborated professionally (competed as "Banana Split" on The Masked Singer, released a Christmas album), welcomed a son, and maintained their careers. McPhee recently embraced the narrative, using TikTok to call marrying Foster "iconic."
Foster's approach? Pragmatic dismissal. "Haters are always going to be haters," he shrugs, showing zero interest in engaging critics.
The real test: They've survived more public scrutiny than couples with half their age difference.
What's the Bottom Line on McFoster?

Their relationship serves as Hollywood's most potent case study in how age gaps intersect with power, wealth, and public perception. From American Idol ingénue to fifth Mrs. Foster, McPhee's journey challenges every assumption about May-December romances.
The persistent "transactional" narrative—that she married him for wealth and connections—ignores their 13-year history and her own successful career. But the controversies around Foster's public comments about her body reveal genuine friction points that transcend age.
Here's what makes their story distinctly theirs: It's not just about the 34-year gap. It's about navigating a relationship that began with a massive power imbalance, evolved through a decade of friendship, and now plays out under intense public scrutiny.
Ready to dive deeper into Hollywood's most talked-about age gaps?
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FAQ
How old was Katharine McPhee when she dated David Foster?
Katharine McPhee was 34 years old when she began dating David Foster in 2017. Their relationship sparked attention due to their 34-year age difference.
Who is Katharine McPhee's first husband?
Katharine McPhee’s first husband was Nick Cokas. They married in 2008 and divorced in 2016 after eight years of marriage.
How many years were there between David Foster and Katharine McPhee?
There is a 34-year age difference between David Foster and Katharine McPhee. Foster was born in 1949 and McPhee in 1984, making their relationship one of the most talked-about in Hollywood.
How old are David Foster and his new wife?
As of 2024, David Foster is 74 years old and Katharine McPhee is 40. They married in 2019 and welcomed a son together in 2021.