Popsugar Celebrity Music iHeartRadio Festival 2013 | Pictures Britney, Miley, and More: See All the Stars From the iHeartRadio Music Festival September 23, 2013 by Maria Mercedes Lara 99 Shares Chat with us on Facebook Messenger. Learn what's trending across POPSUGAR. View On One Page Photo 25 of 38 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrows Keys → 25 Ashley Greene made an appearance. 0 previous images 7 more images Previous Next Start Slideshow Join the conversation Chat with us on Facebook Messenger. Learn what's trending across POPSUGAR.