Sir Elton revealed his secret rehab diaries for his upcoming biopic

The biopic 'Rocketman' will focus on Elton's struggle with addicition.

‘The Dark Knight Rises’ star Tom Hardy is to portray the 67-year-old musician in a new film - Rocketman - which will focus on his struggle with addiction, following his decision to reveal the secrets of the diaries he wrote while in rehab.