By Jacob Leeks Luke Littler and his girlfriend have been spotted being followed by a film crew, with the darts wonderkid having been tipped to be a reality TV star. Littler has surged into stardom following a miraculous run at the PDC World Championships in his debut year. The 16-year-old defeated former world champions Raymond van Barneveld and Rob Cross as he reached the final, where he was beaten by Luke Humphries. Despite losing out on the Sid Waddell Trophy this time around, ‘The Nuke’ is set to become one of the biggest names in darts over the coming years. Part of his rise will be the a…