Britain's Got Talent star Simon Cowell is famous for splitting up groups who audition on his talent shows - now he’s turned his attention to dogs.The music mogul, 63, has never had qualms about ditching less talented singers and friendships have been ruined in the audition room when wannabes have dumped their pals to find stardom alone. But this series of Britain’s Got Talent is the first time the judge has ever put just one half of a dog double act through. Simon, who will be joined by Bruno Tonioli, Amanda Holden and Alesha Dixon on the judging panel this year, says, “It was honestly hilarious because the owner was deadly serious.