Britain's Got talent 2012 series has organised a flashmob dance attended by hundreds, including Ant and Dec. Hundreds of people who gathered in London's ... <br /><br />Don't stop them now, they're having a good time. Watch Britain's Got Talent presenter duo Ant and Dec's telly-tastic BGT opening sequence HERE before ... <br /><br />For the first time ever in Britain's Got Talent history, a 'Flashmob' style event was filmed with Ant and Dec for the show's opening sequence. Fans of the show ... <br /><br />Don't stop them now, they're having a good time. Watch Ant and Dec's telly-tastic opening sequence HERE before anyone else! <br /><br />Anthony McPartlin aka Ant Britain s Got Talent Flash Mob in Trafalgar Square Lond. <br /><br />Britains Got Talent flash mob event Trafalgar Square March 9th. Applause Store event. Over a 1000 people dance in Trafalgar Square between the fountains, ... <br /><br />Ant and Dec film the intro sequence of Britain's Got Talent using a flash mob in South London. The duo are pictured on a motorcycle and side car. <br /><br />I took part in a flash-mob dance sequence for the opening credits of Birtain's Got Talent. In scenes reminiscent of the legendary Rio Carnival, Ant and Dec hosted ...<br /><br />EXCLUSIVE! Ant and Dec's Britain's Got Talent flashmob<br /><br />EXCLUSIVE! Ant and Dec's Britain's Got Talent flashmob