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August 1, 2026Short & citedBlog
Civic Viewpoint.
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Music Box • Singer

Katharine McPhee

Katharine McPhee is an American singer and actress who became widely known as the runner-up on the fifth season of American Idol in 2006.

Updated August 1, 20261 min readCited sources

Katharine McPhee is an American singer and actress. She rose to fame as the runner-up on the fifth season of American Idol in 2006.

What it is

Katharine McPhee’s career began with her runner-up finish on American Idol in 2006, which led to a recording contract and her self-titled debut album in 2007. She later expanded into acting, with notable television roles in Smash, Scorpion, and Country Comfort, and made her Broadway debut in Waitress.

Why it matters

McPhee built a durable career across music and screen, demonstrating how talent show exposure can lead to long-term mainstream success. Her work has reached Canadian audiences through North American distribution of her music and TV projects, and her marriage to Canadian-born producer David Foster ties her to the Canadian entertainment scene.

Key details

Born March 25, 1984, in Los Angeles, McPhee studied music and theatre before American Idol. She married David Foster in 2019, and they have one son, born in 2021. Her debut album reached the Billboard 200 chart.

In short

  • Runner-up on American Idol season 5 (2006)
  • Self-titled debut album released in 2007
  • Acted in Smash, Scorpion, and Country Comfort
  • Broadway debut in Waitress; married David Foster
Canadian angle

Katharine McPhee has relevance for Canadian audiences through her international pop and television career, including mainstream North American distribution of her music and TV projects.

Quick questions

Who is Katharine McPhee?
An American singer and actress, best known as the runner-up on American Idol in 2006.
When was she born?
She was born on March 25, 1984, in Los Angeles.
What is her biggest acting role?
She is known for starring in NBC's Smash and CBS's Scorpion, among other TV shows.

Sources

  1. Wikipedia — https://en.wikipedia.org/wiki/Katharine_McPhee
    Supports: Birth date, American identity, American Idol runner-up status.
  2. Wikipedia (Czech) — https://cs.wikipedia.org/wiki/Katharine_McPhee
    Supports: Birth date, birthplace, American Idol runner-up status, debut album release.
  3. Wikipedia (Spanish) — https://es.wikipedia.org/wiki/Katharine_McPhee
    Supports: Full name, birth date, American Idol runner-up status, roles in Smash and Scorpion.
  4. Wikipedia (French) — https://fr.wikipedia.org/wiki/Katharine_McPhee
    Supports: Birthplace, nationality, occupations, spouse.
  5. People — https://people.com/tag/katharine-mcphee/
    Supports: American singer, songwriter, actress; American Idol fame; music, TV, and Broadway credits.
  6. Broadway.com — https://www.broadway.com/buzz/stars/katharine-mcphee/profile/
    Supports: Broadway debut in Waitress and career overview.
  7. AllMusic — https://www.allmusic.com/artist/katharine-mcphee-mn0000633313
    Supports: General career description as singer/actress.
  8. KatharineMcPhee.net — https://katharinemcphee.net/bio/
    Supports: Marriage to David Foster and son; philanthropic activities.