Angelina is going to be a big sister But on the day Polly is born, things are not quite as Angelina had expected. No one pays any attention to her or admires the beautiful prize she won at ballet class. Maybe having a little sister isn't going to be much fun after allAngelina is going to be a big sister But on the day Polly is born, things are not quite as Angelina had expected. No one pays any attention to her or admires the beautiful prize she won at ballet class. Maybe having a little sister isn't going to be much fun after all