Barbie Rockstar vs Popstar. Barbie is no stranger to performing music in front of large crowds, so you don't have to calm her nerves but she would like your help. Have you heard the news today? Barbie decided to give away her pinkish girly girl look and go the opposite one with leather clothes. Stylish princess Barbie is now about to be back on stage but before her in getting the ' Barbie Rock Star Princess' dress up game started and.