Justin Bieber is Single and "Having Fun"

Millions of girls love him, but Justin Bieber is definitely unattached.

The 16-year-old heartthrob tells the AP he doesn't have a girlfriend and is just "hanging out" with a few girls.

The globe-trotting pop sensation says none of the relationships are serious.

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Bieber is set to tour nationwide this summer to promote his new album, "My World 2.0."

He says he travels too much to take things too seriously, so he's just "being a teen, having fun."