Fight! Fight! Fight! Beiber hasn't had a great least 24 hours. First he passed out on a stage in London. Then, back in LA, his buddy Lil Twist wrecked his Fisker in a hit-and-run, allegedly with Chris Brown in the passenger seat. Now TMZ has snagged a video of Bieber FREAKING OUT on a photographer in London, threatening him with some harsh swaggy Bro words: 'I'll beat the f*ck out of you!' Way to thug it up, Biebs.

CLICK TO WATCH: Justin Bieber Freaks Out on a Photographer, Screams: 'I'll Beat the F*ck Out of You!' via TMZ: