Katharine McPhee is an American singer and actress recognized for her versatile vocal style that spans pop, R&B, and jazz genres. She gained prominence after finishing runner-up on the fifth season of the reality television show, American Idol, in 2006. Her self-titled debut album, released in 2007, peaked at number two on the Billboard 200 chart, solidifying her place in contemporary music. McPhee's musical style is often marked by her wide vocal range and emotive delivery.