Chris Brown, Justin Timberlake and Miguel Set For iHeartRadio Festival

Las Vegas will be booming with R&B sounds thanks to the recently announced line up for this year's anticipated iHeartRadio Music Festival.

Slated to take place September 20 and 21st at the MGM Grand Garden Arena, the already sold-out show will include performances from Chris Brown, Justin Timberlake, Bruno Mars and Miguel, in addition to Paul McCartney, Adam Lambert, J. Cole, Katy Perry, Keith Urban, Elton John, Maroon 5 and Tim McGraw.

"After only two years, the iHeartRadio Music Festival has attracted the biggest music artist in the world," President of Entertainment Enterprises, John Sykes, said in a statement this week. "Having Paul (McCartney) join this year's already spectacular and diverse lineup heightens the excitement for what has become the most anticipated music festival of the year."

For more information visit the iHeartRadio Music Festival official website.