By A Mystery Man Writer
Boo, dubbed the 'world's cutest dog', has died at the age of 12.
Boo, dubbed the 'world's cutest dog', has died at the age of 12.
World's cutest dog Boo cutest photos gallery
World's cutest dog Boo cutest photos gallery
World's cutest dog Boo cutest photos gallery
World's cutest dog Boo cutest photos gallery
World's cutest dog Boo cutest photos gallery
World's cutest dog Boo cutest photos gallery
World's cutest dog Boo cutest photos gallery