Who'd have thought that a 37-year-old Brummie dressed as Darth Vader would have made it all the way to the live semi-finals of Britain's Got Talent!? Well, it can only happen on this show! Darth Jackson's original audition back in the second week certainly split the judging panel as Simon was less than impressed, but both Piers and Amanda both fought for his act. Will they regret their decision tonight?