He's just 17 years old, but as a world-famous pop star Justin Bieber has seen more of the world than men twice his age.

And as he frolicked on the beach in Maui with his young starlet girlfriend, Disney star Selena Gomez, 18, with her arms and legs wrapped around him, he certainly seemed older than his years.

The baby faced singer has been enjoying a romantic vacation with Selena, staying in a $10,000 a night suite at the Four Seasons Hotel. check out 15 more images after the jump.