One Direction & 5 Seconds of Summer Make Our Hearts Throb at iHeartRadio Music Festival 2014!

One Direction hits the red carpet during day two of the 2014 iHeartRadio Music Festival on Saturday night (September 20) at the MGM Grand Garden Arena in Las Vegas. The guys – Niall Horan, Harry Styles, Liam Payne, Zayn Malik, and Louis Tomlinson – are kicking off the second night of the festival. 5 Seconds