Louis Tomlinson and Niall Horan (L) of One Direction attend the World Premiere of 'One Direction: This Is Us' at Empire Leicester Square on August 20, 2013 in London, England.
{"Image ImageDescription": "LONDON, UNITED KINGDOM - AUGUST 20:  Louis Tomlinson and Niall Horan (L) of One Direction attend the World Premiere of 'One Direction: This Is Us' at Empire Leicester Square on August 20, 2013 in London, England. (Photo by Samir Hussein/WireImage)", "Image Copyright": "2013 Samir Hussein"}