Teen YouTube sensation Rebecca Black under police protection after receiving death threats

By DAILY MAIL REPORTER Threats: Rebecca Black, pictured in LA last week, is under police protection Teen internet star Rebecca Black has been placed under police protection after receiving two disturbing death threats.The 13-year-old, who has been dubbed the 'worst singer in the world', shot to fame earlier this year after heavily auto-tuned video of Friday went viral.It has been viewed more than