Kate Hudson, Khloe Kardashian Odom, Shaun White, Kelly Rowland, Kevin Hart, Rebel Wilson, Ian Somerhalder, and more will appear as presenters at the 2013 iHeartRadio Music Festival this weekend. The celebrities join already-announced presenter, Britney Spears, on the star-studded list. The 3rd annual festival takes place Friday and Saturday, September 20th and 21st at the MGM Grand Garden Arena in Las Vegas.

Listen to 2013 iHeartRadio Music Festival Radio

This year's incredible lineup includes Justin TimberlakePaul McCartney, Katy PerryJ. ColeElton JohnMuse,TiëstoChris BrownKeith Urbanfun.MiguelBruno MarsPhoenixZeddMaroon 5Tim McGrawKe$haDrakeThirty Seconds to MarsBenny BenassiQueen + Adam Lambert, a special guest appearance by Robin Thicke and this year's Macy's iHeartRadio Rising Star winner, The Summer Set, plus other surprise collaborations. 

Fans can visit iheartradio.yahoo.com online to watch the live webcast of the iHeartRadio Music Festival or view the event on a PlayStation®3 system through the Live Events Viewer app on September 20 & 21 at 7 p.m. PST for free, anywhere in the United States.  Listeners can also tune-in to their favorite Clear Channel radio station to hear the live audio stream.

Then a week later, the iHeartRadio Music Festival will be televised as a two-night primetime special on The CW Network on Monday, Sept. 30 (night one) at 8-10 p.m. EST/PST and Tuesday, Oct. 1 (night two) at 8-10 p.m. EST/PST, to launch the network's fall season.

The iHeartRadio Music Festival: Where the music of the iHeartRadio app comes to life.