Justin Bieber is ready to show the world that he's got a brand new grown-up sound!

In this newly released clip from his "Boyfriend" music video, Biebs is seeing drowning in a large pool of water. Then we catch a glimpse of the 18-year-old singer in front of a burning fire.

"Boyfriend" is one of the singles that will be included on Biebs' upcoming third album Believe.

Selena Gomez's man is definitely lookin' sexy!