If there was any inkling of a question as to whether Justin Bieber
is all grown up, look no further than his new new video for his latest single "All That Matters."
In it, a shirtless Bieber makes out and grinds with beautiful blond model Cailin Russo. The singer also shows off his abs and a decidedly adult pelvic-thrust dance move.
The pop star, 19, released the breakup anthem in October, at which time it sparked a lot of buzz that he was singing about his ex Selena Gomez
You be the judge – and watch the steamy new video below.