IHeartRadio Music Festival: Justin Timberlake, Mariah Carey to perform

Justin Timberlake, Mariah Carey, Jack White and Carrie Underwood are all set to headline the 2018 IHeartRadio Music Festival.

The much-anticipated event, which is returning to Las Vegas on September 21-22, will also feature performances by Sam Smith, Luke Bryan, Kygo, Jack White, Rae Sremmurd, as reported.

The winner of the iHeartRadio Rising Star contest will also score a slot on the lineup.

This year`s event will air on October 7 and October 8.