The Canadian pop superstar - Justin Bieber, is taking his next scheduled appearance to the next level. As the "Love Yourself" hitmaker will take the stage at the T-Mobile Arena in Las Vegas on Sunday for the 2016 Billboard Music Awards.

As stated by Entertainment Tonight, the Canadian chart topper donned in a Mortal Kombat shirt and distressed denim jeans for his rehearsal on Saturday. A source stated that Bieber was giving it all as he rehearsed a few of his tracks like the "Company" and "Sorry."

The source who witnessed Bieber's rehearsal, stated, "In between takes, Justin Bieber, was live-singing and making sure to hit every note. It was really endearing to see how much the singer cares."

The choreographer of Bieber was present at the rehearsal helping the singer go over the dance moves and the "What Do You Mean" singer was apparently spotted feeling the choreography. An eyewitness claimed that Bieber will make use of laser lights and smoke machines as co-ed performers dance around him.

However, when Bieber is not on stage, the Canadian pop star will be seen sitting one row in front of the former child star in Barney & Friends - Demi Lovato, the reality television star - Laverne Cox and the American actress - Mila Kunis.

Also, taking the stage at the T-Mobile Arena to run through their performance were the American pop rock band - DNCE, the American singer-songwriter - Nick Jonas, the Danish pop band - Lukas Graham and the Canadian singer-songwriter - Shawn Mendes, Just Jared reports.

The 2016 Billboard Music Awards, which is an honor given by Billboard, a publication and music popularity chart covering the music industry - will be hosted by the Fast & Furious actor Ludacris and the fashion model - Ciara. And the event is slated to fire up on ABC at 8pm ET/5pm PT.