Robbie Williams is in the early stages of development.The big-screen take on Williams’ life is set to be directed by The Greatest Showman filmmaker Michael Gracey and will tell the story of his rise to global fame – as well as his darker days as he battled substance abuse.Gracey has already spent several hours speaking to Williams in order to fully acquaint himself with the project – which is tentatively titled Better Man.Gracey told Deadline: “As for how we represent Robbie in the film, that