In A Nutshell: The lights were dimmed, the audience counted from ten to zero and the show began, Miley Cyrus had entered the building. But the 17-year-old made it clear she was stepping away from Disney and doing her own show, complete with grinding on a motorcycle and gyrating her guitarists leaving parents wondering why, when buying tickets for their children’s teen idol, they were left feeling like they were in a seedy bar in Soho.