Niall Horan, Louis Tomlinson, Zayn Malik, Liam Payne and Harry Styles of the band One Direction perform on NBC's 'Today' show at Rockefeller Plaza on March 12, 2012 in New York City....
One Direction is the hottest band that didn't exist in 2010. The British five-some has taken teenage girls and the world by storm, setting records and selling out concerts like the glory days of their 1999-predecessors The Backstreet Boys and 'NSYNC. Here's their top ten moments: