We already played.Billie Joe is about to go on twitter.com/TonyKanal/stat…

— Tony Kanal (@TonyKanal) September 22, 2012

Green Day!!! #iHeartRadio twitter.com/KennedyNation/…

— Kennedy (@KennedyNation) September 22, 2012

. @greenday lookin good at the @iheartradio Music Festival in Las Vegas! twitter.com/WarnerBrosProm…

— WarnerBrosPromo (@WarnerBrosPromo) September 22, 2012

We're ready to blow the roof off the #iHeartRadio Music Festival tonight!!! Watch us @ iheartradio.com/vegas

— Green Day (@GreenDay) September 21, 2012