"I just want to be somebody to someone" "Someone to you" What if Jack Rose had a sister that no one new about? What if Night had a daughter that she hid and ignored? Jackie Rose is a 17 year old girl whos mother neglects her for Jack. She's wants to be like her big brother but her mother is too ashamed of her. Yes this is a Just Dance fanfic. so what? This also isn't to the core exactly of the Just Dance lore but oh well.