Katharine McPhee struck a pose in a rather wrinkled Stella McCartney number. The "Idol" alum -- who dyed her hair platinum blonde last August for her album Unbroken -- has gone back to brunette for her role in a NBC comedy pilot entitled "The Pink House." Steve Granitz/WireImage.com - April 22, 2010
Hot in Hollywood
J.Lo, Paris Hilton, and more party it up at Us Weekly's Hot Hollywood soiree.