This is why I tell my nieces (and told my son) fairy tales in which the ugly witch could turn out to be the heroine, and the beautiful maiden could turn out to be an evil heartless harridan. The best stories for getting 'beauty can hide a depth of ugliness' are Snow White (of course, the step mother is very beautiful too, and the dwarves in original depictions were quite frighteningly ugly, but saved Snow White) and the really eery "Baker's Daughter," which hardly anybody tells anymore. (Mentioned in Hamlet: "they say the owl was a baker's daughter. We know what we are, but not what we will become.") I think we should start a campaign to redeem ugliness!