1. She was caught smoking salvia.

In 2010, Miley Cyrus and The Case of What's In The Bong was one mystery that had the stoners on the interwebz examining her every move in the infamous "Miley Cyrus Getting High" video. Given her hallucinations about her boyfriend, her rambling gibberish, and her hysterical laughter about how much she's tripping, we should at least be content knowing it was the "legal" drug salvia, not mari-ju-wana.