Jessica and Ashley Simpson (36 images)

Actress and singer Jessica Simpson appears backstage with the award she won for her performance of the song "These Boots Are Made For Walking" in the film "The Dukes of Hazzard" at the 32nd annual People's Choice Awards in Los Angeles, California January 10, 2006. Simpson also won for favorite song from a movie. (UPI Photo/Jim Ruymen)

Ashlee Simpson performs in concert at the Pompano Beach Amphitheatre , in Pompano Beach, Florida, on April 9, 2005. (UPI Photo/Michael Bush)

Jessica Simpson arriving to the 31st annual People's Choice Awards in Pasadena, California January 9, 2005. (UPI Photo/Rafael Lanus)

Jessica Simpson arrives at the Sagamore Hotel in South Beach, Miami, Florida on August 27, 2004 . (UPI Photo/Laura Cavanaugh)