Tween pop singer, Sierra Jean, is the big sister in her family; but when she’s on the set of a production, she takes instructions from her little sister, Sydney. Sierra Jean, 12, is one of Hollywood’s up and coming tween pop 音楽 stars on the rise.

Sierra’s secret to success lies in her passion for music, hard work and the close relationship that she has with her little sister, Sydney. An accomplished 作者 at the age of 9, Sydney has published 5 本 in the field of children's literature. On 上, ページのトップへ of being a professional writer, Sydney has the eye for the director’s chair where she...