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
Z100 Cool For The Summer Pool Party with Demi Lovato
Imagine Dragons Live at Prudential Center
Silento Teaches The Z100 Crew How To Whip and Nae Nae