Justin Bieber's collaboration with DJs Skrillex and Diplo is his clubbiest offering yet.
And as thousands of dance music fans descend on Las Vegas for Electric Daisy Carnival this weekend - the 21-year-old treated some party-goers to an impromptu performance of his upbeat track Where Are U Now.
Dailymail.com has learned that the 21-year-old singer surprised revelers at Drai's Beach Club with a source saying: 'It was crazy he just jumped up and got on the mic. Everyone went crazy.'
The star reportedly downed a couple of shots of Jack Daniels and sang a two songs for the very happy crowd of 3,000 EDM fans at the venue.
Bieber is seen displaying his tattoos in a cream loose-fitting tank top and grey drop-crotch shorts.
He arrived in a wide-rimmed black hat but tossed it to the side after he took the mic and shaded his eyes from the desert sun with blue mirrored sunglasses.