Football icon Cristiano Ronaldo premiered his documentary “Ronaldo” in London on Monday. The film traces Ronaldo’s life as he helped bring Real Madrid their tenth UEFA Champions League title, La Decima. The film also reportedly shows a never-seen-before footage of his childhood. “Ronaldo” is produced by James Gay-Rees, who also made documentaries on racer Ayrton Senna and singer Amy Winehouse.