Back in the day, Katharine McPhee finished second on American Idol (believe it or not, Chris Daughtry lost to both her and Taylor Hicks) and was known for her gorgeous looks as well as her musical talent. Term used semi-loosely.

Who knows what she's up to nowadays ... besides dying her hair! The singer debuted a new blond bob last night at the Ann Taylor runway show in NYC.

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Katharine McPhee's hair looks best when it's ...