Fans with Bieber fever know that Friday is known as #FilmFriday-- so Justin Bieber released a second teaser of his newest flick Believe via Twitter today.

In the clip he's not shy about speaking on the downsides of fame and having to put on a fake smile.

"You always gotta keep a smile on your face, through all the negativity. You gotta hide your emotions sometimes--especially [for] me going on stage I could be going through a big argument, and I'm like, 'I'm about to go on stage right now'...I'm upset and I don't want to have to smile...but sometimes you just gotta suck it up. That's just one of the things you have deal with being in this position, in this world, in this industry."

Bieber released the first clip of Believe Friday, Oct. 11 on Twitter unveiling his new manly, mustache.

In that clip he talks growing up and joking about his mustache after his road manager pointed it out. Bieber said, "That's how much of a man I am...#Stache...Speaking of grown men, I'm drinking coffee right now."

His mother, Pattie Mallette and mentor, R&B superstar Usher Raymond, spoke on Bieber's transition into adulthood.

Mallette said, "I think it's hard for parents to let go but it's really exciting."

"As a 19 year-old Justin is now becoming his own man," said Usher who introduced Bieber to fame when he signed him 2009.

Justin Bieber Mustache PHOTOS & VIDEO: The Biebs Reveals New Mustache & Releases First 'Believer' Trailer

In a statement, Bieber said, "I am so excited to be involved in this movie, and so happy to be able to give back to my fans, especially during the holiday season. Director Jon Chu and my team have done a wonderful job creating a special moment for Beliebers worldwide and I can't wait till Christmas day when the movie will be in theaters everywhere," E! reported.

Believe is set to hit theaters on Wednesday Dec. 25.

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