Collectors have been going mad over Mattel's "Monster High" doll line and who can blame them? Theses dolls are scary cool, articulate, detailed, and gore-geous. Some dolls are extremely hard to find and collectors will shell out a lot of money to get their hands on one.
Here is a list of the top five rarest and most expensive dolls sold on the market. These are single dolls that were once sold in stores, so no Comic Con exclusives here. Prices are based on Amazon.com listings.