After a longtime struggle with drugs and addiction, singer and actress Whitney Houston passed on February 11, 2012. She was found unresponsive in a bathtub in the Beverly Hilton Hotel. The official cause of death was announced as an accidental drowning. Traces of cocaine, marijuana, Xanax, Benadryl and other medications were also found in her system. Whitney Houston on August 30, 1986 performing in Chicago, IL.