What American idol runner-up stars on Smash?
Katharine McPhee Katharine Hope McPhee (born March 25, 1984) is an American actress, singer and songwriter. She gained fame in May 2006 as the runner-up on the fifth season of "American Idol."
Peggi Blu Peggi Blu (Blue) (born May 26) is an American actress, singer and vocal coach. She is the 1986 ""Star Search Grand Champion (Female Vocalist)"" winner. And the winner of the 2013 "Malibu Music Awards" (""Vocal Coach Of The Year"") award. She is best known as the ""American Idol-Vocal Coach From Hell"".