5 Seconds of Summer perform live on the 'Today' show

Matt Lauer, Luke Hemmings, Ashton Irwin, Michael Clifford and Calum Hood - Australian pop punk band 5 Seconds of Summer draws a huge crowd as they perform live on the 'Today' show as part of the 2014 Summer Concert Series - New York City, New York, United States - Tuesday 22nd July 2014