Nicki Minaj, Alicia Keys, Usher Tapped for iHeart Radio

Big name celebrities added to the lineup of the upcoming music festival in Las Vegas.

Posted: 07/11/2011 12:06 PM EDT
Nicki Minaj, Alicia Keys, Usher and More Tapped For iHeart Radio Festival

The 2011 iHeartRadio Music Festival is already shaping up to be quite a show. On September 23-24, the MGM Grand in Las Vegas, Nevada, will host a star-studded lineup that includes Nicki Minaj, Alicia Keys, Usher and Bruno Mars.


Nicki, Keys, Usher and Bruno join other superstar acts such as Lady Gaga, Jennifer Lopez, the Black Eyed Peas, John Mayer, Kelly Clarkson, Carrie Underwood and others. More performers will be announced later this summer.


The two-day concert is hosted by radio conglomerate Clear Channel and is being billed as "the biggest live music event in radio history." The concert will also be streamed live on


(Photo: Angela Weiss/Getty Images)