Nicki Minaj, Alicia Keys and Usher are a few of the acts slated to play this year’s iHeart Radio Music Festival, taking place in Las Vegas, Nevada on September 23-24.

The event, housed at the MGM Grand, features an impressive roster that also includes Lady Gaga, Coldplay, Steven Tyler, Black Eyed Peas, Jennifer Lopez, Carrie Underwood, Kenny Chesney, Jane’s Addition, John Mayer, David Guetta, Rascal Flatts, Bruno Mars, Kelly Clarkson, Sublime with Rome and Sting.

Tickets are available for pre-order beginning this Saturday, July 16th, at 1 a.m. EST.

[July 11]

UPDATE: Jay-Z has been added to the list of performers for the iHeartRadio Music Festival, taking place on September 23-24 in Las Vegas, Nevada. Hov will close the opening night of the event.

Watch the new promo video below (via RS).

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