5 Seconds of Summer perform live at the iHeartRadio Theater presented by P.C. Richard & Son on July 21, 2014.
Photo: Katherine Tyler for iHeartRadio
Photo: Getty Images for iHeartRadio
Idina Menzel Live
Shawn Mendes Live at Best Buy Theater
Shawn Mendes #Z100SomethingBig in the iHeartRadio Theater Presented by P.C. Richard And Son