They are set to perform on the first day of the festival (September 21st, just a few days before the Push and Shove release) at the MGM Grand in Las Vegas.
Tickets go on sale this Saturday at 1pm Eastern Standard Time through TicketMaster: http://www.ticketmaster.com/iHeartRadio-Music-Festival-tickets/artist/1616924
Macy’s and Matador are holding trip giveaways to the festival: http://festival.iheart.com/go/iheartradio-music-festival/win.html#win
And make sure to tune in to your local radio station for a chance to win tickets too; these are all the radio stations participating: http://festival.iheart.com/go/iheartradio-music-festival/stations.html#content
Rihanna, Usher, Lil Wayne, Green Day, Swedish House Mafia, No Doubt, Miranda Lambert, Jason Aldean, and Shakira are also set to perform that night.
The show will also be live-streamed online so we can all watch.