LAS VEGAS, July 25 (UPI) — The lineup for this year’s iHeartRadio Music Festival has been announced and promises to fill Las Vegas’ T-Mobile Arena with some of the biggest names in music.

Headlining are Britney Spears, Drake, Ariana Grande, Usher, Pitbull, and Sia.

Music royalty U2 and Sting are on the ticket as well, along with DNCE, Panic! At The Disco, Jeremih, Bryson Tiller, Cage the Elephant, and OneRepublic. Country crooners Sam Hunt and Florida Georgia Line are also slated to perform.

Ryan Seacrest hosts the festival which takes place September 24 and 25. Tickets for the event go on sale on Saturday.

Fans can listen live via iHeartMedia radio stations and The CW app.