We'll always have the Bieber fever, and this is why ... Justin Bieber is just too sexy!

On Thursday afternoon the 21-year-old pop superstar stepped out in Beverly Hills, and he turned heads as he walked down the sidewalk solo. Hey, we'd stop and stare too! But where was the rest of his entourage?

Biebs later met up with a pal at Shakey's for lunch, and seeing as his new album, Purpose, dropped at midnight, we're guessing he had some business to discuss. The singer, who has been making all kinds of promotional appearances, also revealed that he's kicking off a world tour on March 9 in Seattle.

We're glad the Biebs is back! And as much as we secretly loved his bad boy antics, we're liking this side of the pop phenom much better...