The 2012 iHeartRadio Music Festival's Star-Laden Lineup

Posted Wednesday July 11, 2012 4:20 PM GMT

It’s one of the biggest events in American Pop Music, and the iHeartRadio Music Festival will return to Sin City this September.

According to a report, the lineup of artists is nothing short of astounding, with acts from several different genres making it onto the bill.

For instance, Taylor Swift, Miranda Lambert, Brad Paisley, and Jason Aldean will bring some southern-fried country flavor, while Rihanna, Usher, and Mary J Blige will represent the R&B world.

Additionally, Aerosmith, Bon Jovi, Green Day, No Doubt, Linkin Park, and P!nk will add some rock star attitude to the mix, and Pitbull and Lil Wayne will bring the hip hop flow.

The iHeart Radio Music Festival will take place from September 21-22 at the MGM Grand in Las Vegas, with tickets going on sale July 14th at 1pm ET.

Ryan Seacrest video announcement

Taylor Swift "saved the date" to make the show

Usher says he can't wait to perform "Scream"

Pitbull looks forward to learning from the powerful diverse artists he's performing with

Photo Credit: Getty Images