Irish and German ancestry , his parents called Paul and Nancy . He grew up being the youngest of four brothers ( Holt, Jason and Meg ) . In 1986 his brother Jason died of injuries caused by truck accidents . Katherine 's parents decided to donate the organs of his brother, who had cerebral death , creating a strong awareness of the importance of donation Katherine , using his fame to raise awareness that making this decision.
She began her career as a model (agency Wilhelmina ) and some television appearances at age twelve. His big screen debut was in the movie that night , filmed in 1992. Later, on the small screen , would come with another hit series Roswell , which gave life to Isabel . Other credits in various television series including Romy and Michelle , Behind The Velvet Rope , Vegas Dick , Evil Never Dies for TBS, and returned to a starring role in Grey 's Anatomy as Izzie Stevens.
In September 2007 with an Emmy for Best Supporting Actress in a Drama Series for her role as Izzie Stevens on Grey's Anatomy. And earlier, in December 2006 , got a nomination for Golden Globe for best supporting actress in a series for the same role .
The December 23, 2007 he married singer Josh Kelley, whom she met a few years ago shooting a video for the song Only you . The marriage took place in Utah and among the guests were Kate Walsh , TR Knight and Sandra Oh .
In 2009 the couple adopts a Korean-born girl named Nancy Leigh Naleigh but call . In May 2012 the couple made public their decision to adopt a new girl named Marie Adelaide Hope to affectionately call Addey . Vanity Fair published a list of Top 40 Hollywood celebrities with more income throughout 2010. Heigl was ranked 33 on the list to enter about 16 million dollars for his films
