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Taylor Swift, Brad Paisley, Jason Aldean and Miranda Lambert are set to perform at this year's iHeartRadio Music Festival, along with Usher, Bon Jovi, Aerosmith, Rihanna, Green Day, Linkin Park, Enrique Iglesias, Pink, No Doubt, Mary J. Blige, Lil Wayne, Shakira, Swedish House Mafia and other performers from the genres of pop, rock, ska and EDM. American Idol's Ryan Seacrest, who will host the iHeartRadio Music Festival, made the announcement via video  on his website.
The iHeartRadio Music Festival will take place Sept. 21-22 at the MGM Grand in Las Vegas. Tickets for iHeartRadio Music Festival go on sale via Ticketmaster on July 14, and the performance will air live on Xbox, Yahoo! and iHeartRadio.
Last year's inaugural iHeartRadio Music Festival boasted Kenny Chesney and Carrie Underwood among the performers.