Nightbirde is a girl who is battling cancer. She recently appeared on the talent show "America's Got Talent" and sang an emotional original song called "It's Ok". Her performance was so powerful and touching that one of the judges, Simon Cowell, hit the golden buzzer, which means she automatically advances to the next round of the competition. Nightbirde's performance moved the judges and the audience, as she used her music to express her journey with cancer and her inspiring message of hope.