Justin Bieber Jokes About His Moustache In New Believe 3D Film Trailer - Video

14 October 2013, 12:13 | Updated: 14 October 2013, 12:14

The 'Heartbreaker' singer talks about becoming a man in the new teaser for his concert film.

Justin Bieber has unveiled the first trailer for his upcoming concert movie Believe 3D, which sees him showing off his attempt at growing a moustache in a humorous clip.

The 'Beauty And A Beat' singer was pictured out showing off his facial hair efforts over the summer, and jokes about "how much of a man" he is in the first trailer for the follow-up to his last cinematic outing, Never Say Never.

"As a nineteen year-old Justin is now becoming his own man," mentor Usher says in the clip, while Justin's mum Pattie Mallette adds: "I think it's hard for parents to let go but it's really exciting to see him maturing."

Check out the new trailer for Justin Bieber's Believe 3D below:

This month has also seen Justin returning to treat fans with new music, releasing a new single called 'Heartbreaker' as well as unveiling new songs each monday as part of his new #MusicMondays campaign.

Justin Bieber is set to release Believe 3D in cinemas in time for Christmas this year.