iHeartRadio Music Festival 2015: Kanye West, The Who, Sam Smith Top Lineup

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Kanye West performs at the closing ceremony  for ther 2015 Pan American Games at Rogers Centre in Toronto, Canada July 26, 2015. 

Kanye West, Sam Smith, The Who and Janet Jackson will top the 2015 iHeartRadio Music Festival lineup, which was released on Thursday (July 30) ahead of the Las Vegas pop extravaganza’s fifth year. iHeartRadio Fest will take place at the MGM Grand Garden Arena on Sept. 18 and 19.

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West will perform at the festival for the first time, after performing at festivals like Glastonbury and at the Billboard Music Awards earlier this year. The Who will bring their 2015 tour to the MGM Grand, Jackson will stop by the festival during the first month of her comeback tour, and Smith (recently recovered from vocal surgery) will take part as a rare 2015 U.S. performance.

Demi Lovato, Kenny Chesney, The Weeknd and Lil Wayne are also included in the male-dominated lineup, after artists like One Direction and Taylor Swift performed at the iHeartRadio Music Festival in 2014. Tickets for the fest go on sale Saturday (Aug. 1) at 1:00 pm ET.

Here is the full 2015 iHeartRadio Music Festival lineup:

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