Bobbie Jean Carter, sister to the Backstreet Boys’ Nick Carter and the late Aaron Carter, tragically passed away on December 23 at the age of 41. Her cause of death has now been confirmed. The Hillsborough County Medical Examiner Department disclosed that Bobbie Jean Carter’s death resulted from “intoxication by the combined effects of fentanyl and methamphetamine,” classifying it as accidental. The document detailed that Bobbie Jean was last seen by her roommate at approximately 6:30 a.m. on the day of her demise. Found unresponsive on her bathroom floor a mere thirty minutes later, in a situ…