Backstreet Boys, Ella Mai, lovelytheband and Marshmello with Lauv have joined the lineup of the 2019 iHeartRadio Music Awards at the Microsoft Theater in Los Angeles. They also have some special awards to give out.

The 2019 iHeartRadio Music Awards will also honor Alicia Keys with the iHeartRadio Innovator Award; Garth Brooks with the first-ever Artist of the Decade Award; Halsey with the iHeartRadio Fangirls Award presented by L'Oréal Paris; and, as previously announced, Taylor Swift with the Tour of the Year Award.

Travis Barker and Yungblud will join Halsey for her performance. T-Pain, coming off his win on The Masked Singer, is the host of the two-hour event that airs Thursday on FOX.

Presenters include Bebe Rexha, Katy Perry, Maren Morris, Pharrell Williams and Zedd.

They have been giving out awards since last week and the winners so far are Panic! At The Disco for Alternative Rock Album of the Year; Jason Aldean for Country Album of the Year; twenty one pilots for Rock Album of the Year; Marshmello for Dance Artist of the Year, Imagine Dragons for Most Thumbed Up Artist of the Year and The Chainsmokers for Dance Album of the Year.