Katherine Heigl refused to even try acting.
Katherine Heigl . From 1999 to 2002 , Heigl co-starred as Isabel Evans on the television series Roswell . Heigl has also had a prominent film career , with appearances in Knocked Up ( 2007 ) , 27 Dresses ( 2008 ) , The Ugly Truth ( 2009 ) , Killers ( 2010 ) , Life As We Know It ( 2010 ) and New Year 's Eve ( 2011 ) .