Katy Perry, Justin Timberlake Waking Up In Vegas For iHeartRadio Music Festival

Miley Cyrus, Bruno Mars and more will also make the trek to Sin City for the September fest.

What happens in Vegas usually stays in Vegas, unless it’s the star-studded iHeartRadio Music Festival, taking place this year on September 20 and 21 at Las Vegas’ MGM Grand Arena. On Monday (July 15), Ryan Seacrest announced the A-list lineup for the third annual Sin City party.

Friday’s show will be headlined by acts from all genres, including Katy Perry, Queen, Adam Lambert, Fun., Elton John, Keith Urban, J. Cole, Muse, Tiesto and Chris Brown. The next day, Justin Timberlake, Tim McGraw, Bruno Mars, Phoenix, Maroon 5, Zedd, Ke$ha, Miguel, Thirty Seconds to Mars and Benny Benassi will all take the stage.

Embedded from news.iheart.com.