Cast Of 'Rocketman' Formed Tight Bond With Elton John

'Rocketman' star Taron Egerton said he’d developed a close friendship with Elton John while preparing for the biopic about the iconic pop singer's life and career. The film, which features one Elton John hit after another, tracks the highs and lows of John's journey to superstardom. Egerton said he was already a huge fan of the singer - even auditioning to get into drama school by singing “Your Song.