Crying over nothing? Yeah, bullying is nothing, even though the bullying makes many feel that they have to commit suicide.
You don't know the full story. If someone states they were bullied and is clearly upset about it, you can't reasonably assume they weren't actually bullied just because you can't see anything physically wrong with them.
She stated she was bullied by people making fun of her music. If she can't handle that, she is in the wrong industry.