there are 3 movies-barbie:mariposa and the fairy princess(2013),barbie and her sisters in a 小马 tale(2013) and barbie:pearl of the sea(2014).for 更多 information ,refer wikipedia.
Her name is Heavynn gates and she's the lead vocalist for the 标题 song of the upcoming fall 2013 芭比娃娃 movie "barbie and her sisters in a ponytale". She has her own band called "Fairfax" and 你 can listen to some of her songs on this site!