Barbie plays Lumina, a mermaid girl with the ... her friends adorn her with a gown fit for a princess. At the ball, villains try to seize power over the kingdom, and Lumina finds within herself ...

Then Hasbro won the Disney Princess business away from Mattel ... Monster High. But in 2012, Barbie global sales dropped 3%. They dropped another 6% in 2013 and 16% in 2014.