Justin Timberlake may be bringing SexyBack, but our own Katharine McPhee is bringing us some SexyHair. Katharine is the new spokeswoman for SexyHair, a line of shampoos, conditioners and hair styling products that strive to make hair look great -- whatever style you choose! This picture we found from her promotional campaign is a fine addition to our American Idol Picture of the Day feature.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.