David Cassidy released a personal memoir, "Could It Be Forever? My Story," in 2007 and appeared as a contestant on season four of "Celebrity Apprentice." He has faced his fair share of legal troubles in recent history as well, including three DUI arrests in the past five years. Cassidy still tours across the country and is scheduled to hit the road again this January. —XFINITY Entertainment Staff (Photo by Rick Diamond/Getty Images)
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