One Direction's 'Rooftop Performance' in Sydney, Australia

One Direction (commonly initialised as 1D) are an English-Irish pop boy band based in London, consisting of Niall Horan, Zayn Malik, Liam Payne, Harry Styles and Louis Tomlinson. They signed with Simon Cowell's record label Syco Records after being formed and finishing third in the seventh series of the British televised singing competition The X Factor in 2010. Propelled to international success door the power of social media, One Direction's three albums, Up All Night, Take Me home pagina and Midnight Memories, (released in 2011, 2012 and 2013 respectively), broke several records, topped the charts...