Pink
The singer had a high-flying performance as she pulled some Peter Pan moves for "So What."
Bachelors
ABC reality stars add puppies into the mix.
Bebe Rexha
Holding on to a cute pup, the singer was all smiles.
Noah Cyrus
Singer spreads peace in her oversized sweatshirt.
Niall Horan
The Brit was all smiles when he performed at the festival.
Halsey
Rocker couldn't help but gush over the four-legged pupper at the festival.
Little Mix
The gals make a fierce pose at the fun-filled concert.
Craig Robinson
The funny man got his lean on in Las Vegas.
Taylor Lautner
The Twilight actor is looking pretty tough behind the scenes.
Louis Tomlinson
The "Back to You" singer is thanking his fans with his fun sweatshirt.
Khalid
The smiley music star had some fun hanging in the ball pit.
Thomas Rhett
Country star struck quite the post when he was backstage.
Migos, French Montana, Travis Scott and DJ Khaled,
Lorde
Heading into the arena, the singer rocked a black ensemble for her show-stopping performance.
Miley Cyrus
Rocking a sexy fringed look, the "Malibu" singer had some fun before her performing.
Mackelmore
Benjamin Hammond Haggerty looked pretty cool backstage.
Chance The Rapper
The rapper spread some peace in Las Vegas.
Demi Lovato & DJ Khaled
Heading into the arena, Demi and the music man looked like tough stuff.
Kesha
Outfitted in western wear, Kesha looked oh-so-serious as she headed into the stadium.
Kelsea Ballerini
The country cutie took a moment to pose for a pic.
Harry Styles
Wearing a custom-made suit from Gucci, the One Direction crooner gave a sly smile backstage.