By Adam Markovitz
Updated November 22, 2010 at 08:51 PM EST

We’ve already seen him conquer the pop charts and sweep the AMAs. Now, a second trailer for Justin Bieber’s upcoming doc Justin Bieber: Never Say Never (in theaters on Valentine’s Day) promises to show fans a new dimension of the teen pop star — namely, the third one. The new clip replays some of the home-video shots from the first trailer along with some new 3-D friendly material: Justin spraying silly string, throwing popcorn at the screen, or just sticking his hand straight out at the camera. It’s a safe bet that when that part plays in theaters, there’ll be plenty of happy Bieber fans reaching right back. Check it out below and let us know what you think.

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