Katharine Hope McPhee (born March 25, 1984) is an American pop singer, actress, and model who was the runner-up on the fifth season of American Idol in 2006.

Runner-up of the fifth season of the FOX smash hit TV show “American Idol”, Katharine McPhee is known for her sexy, jazzy sultry voice. With a large fan base (calling themselves The Kat Pack/McPhans/McPheever) and even larger pipes, Katharine was considered to be a contender to win the show. On the Top 3 show of American Idol 5, judge Simon Cowell called her rendition of Judy Garland’s classic “Somewhere Over the Rainbow” “The best performance in the competition to date.” This vers