That puppy really does look part maltese. Maybe you're right, maybe one of the parents was a maltese! Compare her picture to a baby Maltese:
Opal the "White Yorkie" http://www.divapup.com/Opala.jpg Maltese Puppy http://secure.terrificpets.com/image...0560212405.jpg
Their hair texture and length is different, but they definitely have similarities!