Back in 2007, the teen spent time in rehab for substance abuse. At the time, Osmond's brother Donny told PEOPLE that his sister had been dealing with Michael's issues "for a very long time."
But by 2008, Michael, a talented musician and high school senior, appeared to be doing better: Mom boasted in her book Might As Well Laugh About It that he "had been accepted into a performing arts program for high school students."
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