‘I smoked a spliff in Buckingham Palace!’: Robbie Williams makes shocking revelation he used recreational drugs at the Queen’s Diamond Jubilee Concert The singer, 42, told The Sun that the incident happened during the Monarch’s Diamond Jubilee Concert in 2012, which took place on The Mall and was organised by Robbie’s Take That bandmate Gary Barlow. He denied he had ever vomited at the royal household, when asked by the publication, but added: ‘I smoked a spliff in Buckingham Palace.’