Singer Justin Bieber performs at Staples Center during his Believe Tour in Los Angeles, California June 24, 2013.[Photo/Agencies]

Justin Bieber: People forget I'm human

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Teenage pop star Justin Bieber sent out a series of mixed messages over his Twitter feed on Tuesday night, one of which said he was retiring, on the eve of the Christmas Day release of the latest film chronicling the life of the Canadian singer.

The tweet to the 19-year-old's nearly 48 million followers - "My beloved beliebers I'm officially retiring" - was quickly followed by another message: "I'm never leaving you, being a belieber is a lifestyle."

And then: "IM HERE FOREVER."

Representatives for Bieber did not immediately respond to a request for clarification.

The Canadian singer has been involved in a series of headline-grabbing incidents over the past year.

In March, the singer scuffled with a photographer outside a London hotel during a European tour. Later that month, police were called to his Los Angeles area home after a neighbor claimed he had been threatened and struck by Bieber.

In June, Bieber struck a photographer with his Ferrari sports car while driving away from a comedy club in Los Angeles, though police said the accident was not considered a hit-and-run.