Willie Nelson and Jessica Simpson have been added to the cast Blonde Ambition, a new film based on the 1988 movie, Working Girl. Nelson plays Simpson's grandfather. They previously co-starred in the 2005 film version of The Dukes of Hazzard. Other Blonde Ambition cast members include Luke Wilson, Rachael Lee Cook, Andy Dick, Penelope Ann Miller and Larry Miller. Scott Marshall will direct the movie which is being shot in New York and Shreveport, La.