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Bieber To Paparazzi: "I'll Beat The F*ck Out Of You"

  • 03.08.13 02:10 PM EST

Justin Bieber is out of the hospital and back in fighting form -- quite literally. The 19-year-old singer very nearly fought with the paparazzi after an encounter in central London. According to TMZ

"Bieber -- flanked by bodyguards -- was leaving the Central London hotel moments ago ... and in the mad scramble to his SUV, he made contact with a waiting photog.

The photog -- clearly upset by the physical contact -- immediately claimed he was assaulted ... and began to cuss out Bieber, who was already inside the waiting SUV.

But Bieber clearly heard the photog's insults ("f**k off back to America", "f**king little moron") ... 'cause the singer opened his SUV door and sprung out of the car ... trying to attack the photog."

Bieber took to Twitter to respond:

Last night, Bieber got sick and nearly passed out at a concert.