This video pretty much explains why Justin Bieber flipped off the paparazzi as he and Selena Gomez left a restaurant on his 17th Birthday Tuesday night (Mar 1).

Peep the footage below:

Did you see how all of those thirsty photogs swarmed Justin’s car as he tried to drive off? We would have given them “the finger” too!! (And wouldn’t have apologized for it).

What do you think?

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