Fiona Apple loves her dog.  The critically acclaimed, but often controversial, singer-songwriter announced that she was canceling her South American tour to attend to her ailing dog in a handwritten letter to fans.

Janet, a 13-year-old pitbull, has been Fiona's most consistent companion in her adult life, according to the letter.

The letter was posted on Fiona's Facebook page.  You can read the text there and view an image of the actual letter.