It isn't really necessary to smile for a mug shot, but that's what residents of celebrityland are trained to do around cameras — hence Canadian pop star Justin Bieber's smile Thursday as he was booked on DUI charges in Miami Beach,
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Bieber posted bail of $2,500 US, and faces charges of driving under the influence, driving with an invalid licence, and resisting arrest without violence after being stopped while "drag racing" in a residential neighbourhood. His rented, yellow Lamborghini was impounded.
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