[Update 9/8/15: The Who have been forced to pull out of their headlining slot at iHeartRadio Festival due to lead singer Roger Daltry’s health. No word on who will replace the iconic rock n’ band. Stay tuned!]

Well, it’s that time again, folks—the iHeartRadio Festival, now in its fifth year, is coming back to Las Vegas’ MGM Grand Arena on September 18 and 19, and this year’s lineup–like always–is rocking. Headliners (well, there are nothing but headliners, really) include Kanye West, Sam Smith, Janet Jackson, The Who, Coldplay, and many, many more. Click here for more info on the festival, including your chance to win tickets to the big event.

IHeartRadio Music Festival Tickets

IHeartRadio Music Festival 2015 Dates

September 18-219 @ MGM Grand Arena, Las Vegas, NV

IHeartRadio Music Festival 2015 Lineup

Kanye West
Sam Smith
The Who
Puff Daddy
Demi Lovato
David Guetta
Kenny Chesney
The Weeknd
Tove Lo
Lil Wayne
Fall Out Boy
Jason Derulo
Duran Duran
Prince Royce
Trey Songz
The Killers
Blake Shelton
Nick Jonas
Janet Jackson
Christina Grimmie

IHeartRadio Music Festival 2014 Lineup

Ariana Grande
Iggy Azalea
Nicki Minaj
Zac Brown Band
Childish Gambino
Mötley Crüe
Calvin Harris.
Taylor Swift
One Direction
Ed Sheeran
Eric Church
Neon Trees
Kacey Musgraves
The Pretty Reckless

iHeartRadio Festival Past Performances