Katharine McPhee on CSI

April 4, 2009 /

Idol alum, Katharine McPhee, is guest starring on this week’s episode of CSI on CBS. Be sure to check out Season 5’s runner-up in, what seems to be, a pretty big role on the hit series. In the promo for the episode, Katharine debuts a new song from her still untitled sophomore album, out later this year. Enjoy!