Millie Hind is a 17-year-old pop sensation who recently reached number one on the charts with her song "L8r" after it was released on YouTube. In an interview with IT magazine, she expresses surprise at her sudden success, saying she never expected the song to reach more than a few of her friends. She discusses writing "L8r" years ago and putting it online without expecting it to be loved by millions. Millie also talks about enjoying her new celebrity lifestyle but trying to ignore criticism by focusing on the positive comments.