The band's official Facebook page announcement and details at end of this post, for those seeking more information about the event.
Some media links:
Stevie Nicks statement: “It is an honor to be performing at the iHeartRadio Music Festival for our very first time. The beauty of an event like this is that it is a true representation of the power of radio. It’s an opportunity for artists across all genres to share one stage and what we all love most — music!”