Timberlake, Underwood, Carey to play iHeartRadio festival
Justin Timberlake, Carrie Underwood, Shawn Mendes, Mariah Carey and Imagine Dragons are among the acts that will play the iHeartRadio Music Festival in Las Vegas this summer. The festival announced the performers on Tuesday. Jack White, Jason Aldean, Sam Smith and Rae Sremmurd are among the other big-name performers. The two-day festival will be held at the T-Mobile Arena on Sept. 21 and 22. Ryan Seacrest will host the festival, which will also be broadcast…