The Unconventional Love Story: 5 Surprising Facts About Katharine McPhee, David Foster's Fifth Wife

The identity of David Foster's current wife, Katharine McPhee, continues to captivate the public, particularly as the couple remains highly active in the entertainment world in late 2024 and heading into 2025. The Grammy-winning music producer and the acclaimed singer/actress have forged one of Hollywood's most talked-about marriages, a union that spans a significant age difference and blends two powerful careers. Their relationship is not just a personal partnership but a professional one, as evidenced by their ongoing, highly successful joint concert tour, "An Intimate Evening with David Foster & Katharine McPhee," which has dates scheduled well into 2025 and 2026. This article delves into the most current and unique details of their life together, from their family milestones to their professional endeavors.

The couple, who married in 2019, has recently celebrated major life events, including David Foster's 76th birthday, marked by a touching tribute from his wife. Katharine McPhee, who first rose to fame as the runner-up on *American Idol*, has successfully navigated a diverse career path that includes music, television, and Broadway. Their combined star power and their candid approach to their relationship have made them a constant fixture in celebrity news, cementing Katharine McPhee’s place as the definitive "wife of David Foster" in the modern era.

Katharine McPhee: A Complete Biography and Professional Profile

Katharine Hope McPhee is an American singer, songwriter, and actress who achieved national recognition early in her career. Her journey from reality TV contestant to a versatile performer has been marked by several significant milestones.

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• Full Name: Katharine Hope McPhee
• Date of Birth: March 25, 1984
• Age (as of late 2024): 40
• Place of Birth: Los Angeles, California, U.S.
• Spouse: David Foster (m. 2019)
• Previous Marriage: Nick Cokas (m. 2008; div. 2016)
• Child: Rennie David Foster (Son, born February 2021)
• Education: Attended Boston Conservatory (Musical Theater major)
• Career Breakthrough: Runner-up on Season 5 of *American Idol* (2006)
• Notable Acting Roles: Lead roles in the TV series *Smash* (2012–2013) and *Scorpion* (2014–2018).
• Broadway Debut: Jenna Hunterson in the musical *Waitress* (2018).

The Age Gap, The Son, and The Secret to Their Enduring Partnership

The marriage between Katharine McPhee and David Foster is often discussed due to their 35-year age difference, but their recent years have shown a deep, unified partnership built on mutual respect and shared professional interests. Their relationship is a key example of a modern, blended family in Hollywood, with Katharine becoming a stepmother to Foster's five adult daughters.

1. A Shared Professional Life: The 2025 Tour Schedule

Unlike many celebrity couples who keep their professional lives separate, McPhee and Foster have fully integrated theirs. Their joint show, "An Intimate Evening with David Foster & Katharine McPhee," has proven to be a massive success, leading to an extension of dates throughout 2025 and even into 2026. The show features Foster on the piano and McPhee showcasing her vocal talent, often performing hits from Foster's unparalleled catalog. This collaboration allows the couple to spend significant time together while working, effectively merging their personal and professional worlds and strengthening their bond.

2. Welcoming Rennie David Foster: A New Chapter in Parenthood

In February 2021, the couple welcomed their son, Rennie David Foster. This marked a new chapter for both, as it was Katharine's first child and David Foster’s sixth, arriving three years after their marriage. The birth of Rennie has been a central focus of their family life, with both parents frequently sharing glimpses of their life as a family of three. The name "Rennie" was a spontaneous choice, with Katharine revealing it was picked during her labor. The presence of a young child has undoubtedly shifted the dynamics of their high-profile life, grounding them in the joys and challenges of parenthood.

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3. David Foster's Blended Family: Katharine as a Stepmother

David Foster has five adult daughters from his previous marriages: Sara Foster, Erin Foster, Jordan Foster (with second wife Rebecca Dyer), Allison Jones Foster, and Amy Foster. Katharine, being closer in age to some of her stepdaughters than to her husband, has successfully navigated the complexities of this large, blended family. The Foster family is known for its close ties, and Katharine's integration has been a key part of their ongoing narrative. Her relationship with her stepdaughters, particularly Sara and Erin, is often featured in their social media, showcasing a supportive and modern family dynamic.

Katharine McPhee's Latest Career Moves: Beyond the Stage

While the joint tour dominates their schedule, Katharine McPhee is actively pursuing other high-profile projects, ensuring her career remains vibrant and independent of her husband’s. Her recent endeavors highlight her versatility as a performer.

4. Broadway and New Musicals: The Workshop of *Lucky Us*

Following her successful run in *Waitress*, McPhee is returning to her musical theater roots. She is set to lead the workshop of a new Broadway-bound musical titled *Lucky Us*, based on the novel by Amy Bloom. Taking on the role of Iris in this new production demonstrates her commitment to the stage and her continued growth as a dramatic and vocal artist. This project keeps her connected to the New York theater scene, a significant part of her professional identity.

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5. New Television and Film Projects: *The Artist* and a Rumored Movie

In addition to her music and stage work, McPhee has secured roles in new screen projects. She is upcoming in a limited series murder mystery called *The Artist*, alongside veteran actor Mandy Patinkin, which is slated to premiere in late 2024. Furthermore, David Foster has publicly hinted that Katharine is set to star in a "big movie" with a "big movie star," creating significant buzz among her fans and the industry. These acting roles are crucial for maintaining her visibility as an actress, reinforcing that she is a multifaceted talent in her own right, not solely defined by her marriage to the legendary producer. Her ability to pivot between music, television, film, and theater is a testament to her enduring career.

The story of David Foster and Katharine McPhee is a compelling narrative of two individuals who found love and a powerful creative partnership later in life. Their ability to balance a demanding professional schedule, a significant age difference, and the responsibilities of a young family—all while remaining in the public eye—is what truly defines their relationship today. As they continue their joint tour into 2025 and beyond, they remain one of the most dynamic and closely watched couples in the entertainment world, with Katharine McPhee firmly established as the influential fifth wife of the music maestro.