Justin Bieber: Power 106 Radio Promo Before 'Believe' Premiere!

Justin Bieber is mobbed by his adoring fans while arriving outside Power 106 radio station on Tuesday (December 17) in Burbank, Calif.

The 19-year-old singer took the time to chat and pose for pics before stepping into the radio station.

PHOTOS: Check out the latest pics of Justin Bieber

“#BelievePremiere is TOMORROW in LA! Who’s going?! Regal LA LIVE 10AM fan bleachers open. A bunch of Beliebers will be let into the premiere!” Justin tweeted earlier in the day.

He added, “Don’t worry – if you can’t attend, @MTV will be LIVE STREAMING the #BelievePremiere!”

20+ pictures inside of Justin Bieber arriving at the Power 106 radio station…