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"One Direction caused Twitter users to go crazier than ever about the boyband on Tuesday (August 20). 3.6 million tweets were sent relating to the group and the world premiere of their new movie This Is Us which took place in London&amp;#039;s Leicester Square. Watch Digital Spy speak to One Direction at the premiere below:  The giant screen in Leicester Square recorded more than 2 million tweets about the event itself, while the hashtag #1DMoviePremiere has been used on Twitter more than 1.9 million times over the last 24 hours. Oscar-nominated Super Size Me director Morgan Spurlock is behind the camera for This Is Us. Simon Cowell is producing through his Syco Entertainment production company. DS also spoke to One Direction fans who camped out in Leicester Square for the premiere, one of whom had been there since Sunday. This Is Us is scheduled for release on August 29 in the UK and August 30 in the US. Photo gallery - &amp;#039;One Direction: This Is Us&amp;#039; premiere in pictures:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/movies/news/a508517/one-direction-movie-premiere-sets-twitter-abuzz-with-36-million-tweets/>