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Entertainment • 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.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

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. She later built a career in recording, television, and stage performance, including roles in Smash, Scorpion, and Waitress. Born in Los Angeles on March 25, 1984, she released her self-titled debut album in 2007.

Early life

Katharine McPhee was born in Los Angeles and developed an early interest in singing and performance. Sources describe her as having studied music and theatre before gaining national attention on American Idol.

American Idol breakthrough

McPhee rose to fame in 2006 as the runner-up on the fifth season of American Idol. That exposure led to a recording contract and the release of her debut album in 2007.

Music career

After American Idol, McPhee released music as a pop singer and recording artist. Her debut album reached the Billboard 200 top tier, and she later continued recording and performing.

Acting and stage work

McPhee expanded into acting with television and film roles, including Smash, Scorpion, and Country Comfort. She also appeared on Broadway in Waitress.

Personal life

McPhee was previously married to Nick Cokas and later married David Foster in 2019. They have one son, born in 2021.

Key facts

  • She finished second on American Idol in 2006.
  • Her self-titled debut album was released in 2007.
  • She acted in the NBC musical series Smash and the CBS drama Scorpion.
  • She made her Broadway debut in Waitress.
  • She was born in Los Angeles on March 25, 1984.
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Canadian context

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.

Frequently asked questions

Who is Katharine McPhee?
Katharine McPhee is an American singer and actress best known for finishing second on American Idol in 2006.
When was Katharine McPhee born?
She was born on March 25, 1984.
What is Katharine McPhee known for?
She is known for her American Idol run, her music career, and acting roles in television and theatre.
What was her first album?
Her debut album was the self-titled Katharine McPhee, released in 2007.
Has Katharine McPhee acted on television?
Yes. She appeared in series including Smash, Scorpion, and Country Comfort.
Is Katharine McPhee married?
Yes. She married producer David Foster in 2019.

References

  1. Wikipediahttps://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. Peoplehttps://people.com/tag/katharine-mcphee/
    Supports: American singer, songwriter, actress; American Idol fame; music, TV, and Broadway credits.
  6. Broadway.comhttps://www.broadway.com/buzz/stars/katharine-mcphee/profile/
    Supports: Broadway debut in Waitress and career overview.
  7. AllMusichttps://www.allmusic.com/artist/katharine-mcphee-mn0000633313
    Supports: General career description as singer/actress.
  8. KatharineMcPhee.nethttps://katharinemcphee.net/bio/
    Supports: Marriage to David Foster and son; philanthropic activities.