Justin Bieber Tested Positive For Marijuana And Xanax, Report Shows

The toxicology report for Justin Bieber's recent Miami Beach, Fla., arrest shows that he tested positive for marijuana and Xanax, and is consistent with what the 19-year-old pop star told police at the time of his arrest. The report, obtained by NBC News, does not reveal the quantities of the substances in Bieber's system. Police obtained a urine sample from Bieber following his arrest on Jan. 23.