David Cassidy, best known for his role as Keith Partridge on 'The Partridge Family', died in 2017 at the age of 67. His famous family remembered him on what would have been his 75th birthday, April 12 ...

Katie Cassidy ... of his life, resulting in court-ordered rehab following a DUI arrest in 2014. He memorably appeared on Dr. Phil in 2017 to discuss his long history of binge-drinking. David ...

David Cassidy from Season 2 of 'The Partridge Family' in 1971. Credit: ABC via Getty Images David Cassidy, who became famous in the 1970s playing Keith Partridge on The Partridge Family ...