Justin Bieber showed up at the premiere of his 'Believe' doc, out on Christmas Day, in a swaggy red suit, planting lots of smooches on the cheek of his mom Pattie Mallette. He was stylin' and profilin', and posing in funny ways throughout the night on the red carpet.

Choking out his pal Mike Posner.

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Mwah with mom Pattie Mallette. Through it all, The Biebs is still a mama's boy. We gotta say, Pattie looks bangin' and has a great rack.

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Family first! His grandparents came out to show their support.

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His team -- manager Scooter Braun and mentor Usher.

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Another smooch for mom!

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Tagging a wall -- quick, call the cops. We kid, we kid, since he has been in a bit of legal hot water with his graffiti exploits overseas.

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Well, hello there!

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Confused about what exactly "swag" is? It's this photo!

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If they ever decide to do a 'Swingers' remake...

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