iHeartRadio Music Festival 2013 Lineup announced

The iHeartRadio Music Festival is back in Las Vegas for another year of great performances. This years lineup include; Justin Timberlake, Katy Perry, J.Cole, Elton John, Muse, Tiesto, Chris Brown, Keith Urban, fun., Miguel, Bruno Mars, Phoenix, Zedd, Maroon 5, Tim McGraw, Ke$ha, Thirty Seconds to Mars, Benny Benassi, PLUS a rare live appearance by Queen + Adam Lambert and other special surprise guests who will rewrite music history at the MGM Grand in Las Vegas September 20 and 21!

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Tickets on-sale on Saturday, July 20 at 1pm ET. More details: www.iheartradio.com/vegas