The Five Wives Of David Foster: Everything You Need To Know About His Current Spouse, Katharine McPhee (Updated 2025)

The legendary music producer David Foster has had a career defined by chart-topping hits, 16 Grammy Awards, and, perhaps equally famously, five high-profile marriages. As of December 12, 2025, the current woman by his side, and the focus of endless media curiosity, is the singer and actress Katharine McPhee, his fifth wife. Their relationship, marked by a significant age gap, has captivated fans and critics alike since they first stepped out together, proving that for the "Hitman," life, love, and music are always a grand production.

This article provides the most current and in-depth look at David Foster's spouse, Katharine McPhee, their life together, and the full timeline of the women who have shared the Canadian icon's life, from his first marriage to his current, seemingly lasting union.

Katharine McPhee Foster: Biography and Profile

Katharine McPhee is more than just David Foster’s wife; she is an accomplished singer, songwriter, and actress who first rose to prominence on a major reality television show. She has successfully transitioned from a reality star to a Broadway lead and a respected recording artist. Their professional collaboration has now fully evolved into a personal and family partnership.

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• Full Name: Katharine Hope McPhee Foster
• Date of Birth: March 25, 1984
• Place of Birth: Los Angeles, California, USA
• Age (as of Dec 2025): 41 years old
• Spouse: David Foster (Married June 28, 2019)
• Child: Rennie David Foster (Son, born February 2021)
• Key Career Highlights: Runner-up on the fifth season of American Idol (2006); Starred in the TV series Smash and Scorpion; Broadway debut in Waitress.
• Net Worth (Estimated 2025): $14 Million
• Relationship Timeline with David Foster: First met on American Idol in 2006; Began dating publicly in 2017; Engaged in 2018; Married in London in 2019.

The Age Gap and The Rennie Factor

One of the most discussed aspects of the couple's relationship is their 35-year age difference. David Foster, a 16-time Grammy winner, is currently in his mid-70s, while Katharine McPhee is in her early 40s. While they have faced scrutiny, the couple often defends their bond with humor and mutual respect, stating the age difference simply doesn't matter to them.

Their family life was expanded in February 2021 with the birth of their son, Rennie David Foster. Rennie is Katharine’s first child and David’s sixth, arriving 50 years after his eldest daughter, Allison. Recent social media posts and news reports in 2025 often highlight Rennie's surprising musical talent, with the young boy already showing an advanced aptitude for drumming—a clear inheritance from his musical parents.

A Timeline of David Foster's Five Wives and Marriages

David Foster's romantic life has been a long and winding road, often intertwining with his professional career. His five marriages span five decades, each bringing him new family members and influencing his public persona. Understanding his past relationships is key to appreciating the stability of his current marriage to Katharine McPhee.

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1. B.J. Cook (1972–1981): The First Chapter

   David Foster's first wife was B.J. Cook, a singer and member of the band Skylark, which Foster was also a part of. The marriage lasted nine years. They share one daughter, Amy S. Foster, a songwriter and lyricist.

2. Rebecca Dyer (1982–1986): The Short-Lived Union

   His second marriage to Rebecca Dyer was his shortest, lasting only four years. From this union, Foster has three daughters: Sara Foster, Erin Foster, and Jordan Foster. All three daughters have grown up to have careers in the entertainment industry, with Sara and Erin being particularly well-known for their humor and acting/producing work.

3. Linda Thompson (1991–2005): The Longest Partnership

   Linda Thompson, a songwriter and former beauty pageant winner, was Foster's third wife. This was his longest marriage, spanning 14 years. Thompson was previously married to Caitlyn Jenner (then Bruce Jenner) and is the mother of Brody and Brandon Jenner, who grew up with Foster as their stepfather. This relationship was prominent in the early 2000s.

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4. Yolanda Hadid (2011–2015): The Reality TV Era

   Foster's fourth wife was Yolanda Hadid (née van den Herik), a former model and star of The Real Housewives of Beverly Hills. Their marriage, which was heavily documented on the reality show, ended in divorce in 2015, with the divorce finalized in 2017. Yolanda's children from a previous marriage, models Gigi, Bella, and Anwar Hadid, also became part of Foster's extended family during this time.

5. Katharine McPhee (2019–Present): The Musical Muse

   Katharine McPhee is David Foster's fifth and current wife. Their marriage has proven to be a successful blend of personal and professional life. They frequently tour together, performing "An Intimate Evening with David Foster & Katharine McPhee," with recent dates confirmed for 2025. Their shared passion for music is a core strength of their union.

The Foster Family Empire: Children and Collaborations

David Foster is the patriarch of a large, extended, and influential family. He has six biological children and has acted as a stepfather to several others, creating a complex web of high-profile entities within the entertainment world. The presence of his children and stepchildren in his life and career is a significant part of his topical authority.

David Foster's Six Children

The age difference between his eldest and youngest is a staggering 50 years, highlighting the vast timeline of his life and loves. His children include:

• Allison Jones Foster: Foster’s eldest daughter, placed for adoption and later reconnected with. She currently works as an executive in the music and entertainment industry.
• Amy S. Foster: A successful songwriter who has collaborated with her father and written lyrics for artists like Michael Bublé.
• Sara Foster: Actress, model, and entrepreneur, known for her roles in TV and film and her social media presence.
• Erin Foster: Actress, writer, and comedian, often collaborating with her sister Sara.
• Jordan Foster: A celebrity stylist and the youngest of the daughters from his second marriage.
• Rennie David Foster: His son with Katharine McPhee, born in 2021, and already showing a strong musical inclination.

Professional and Personal Synergy

The dynamic between David Foster and Katharine McPhee is unique because they are both partners and collaborators. The couple has been actively performing together throughout 2024 and 2025, showcasing their musical synergy on stage. This professional unity is often cited as a key factor in the strength of their marriage, as they share the same demanding career and lifestyle. Foster, with an estimated net worth of $150 million in 2025, continues to produce and perform, with McPhee often by his side, solidifying their status as a musical power couple.

For fans of the legendary producer, the story of David Foster's spouse is a continuous narrative of evolution. With Katharine McPhee, the narrative seems to have settled into a harmonious blend of family, music, and enduring partnership, proving that the fifth time is indeed the charm for the "Hitman."