Miley Cyrus, Karrueche Tran, Demi Lovato to be presenters at the iHeartRadio Awards

March 3 (UPI) -- Ansel Elgort, Daya, Demi Lovato, DJ Khaled, Florida Georgia Line and Halsey have been confirmed as presenters for Sunday's iHeartRadio Music Awards.

Also set to introduce nominees and performers, as well as hand out prizes, are Jason Derulo, Joe Jonas, John Legend, Karrueche Tran, Kelsea Ballerini, Macklemore and Miley Cyrus.

Katy Perry, Ed Sheeran, Shawn Mendes, Thomas Rhett, Noah Cyrus and Big Sean are to perform at the event where The Chainsmokers and Coldplay's Chris Martin will give the U.S. television debut of their new song "Something Just Like This."

Bruno Mars is to be honored with the 2017 Innovator Award during the ceremony, which will be simulcast live on TNT, truTV and TBS from the Forum in Los Angeles. Mars will also perform.