While at dinner Wednesday night, Spears was reportedly seen barking and acting erratically, but a rep for the singer says the events are being "completely blown out of proportion." Britney Spears ‘ rep has addressed reports that the singer was “erratic” and walking around with a knife during a night out at dinner recently, claiming the purported events were being “completely blown out of proportion.” “Britney was enjoying a quiet dinner with her assistant and bodyguard,” the spokesperson said in a statement provided to Rolling Stone on Thursday. ”She was simply telling the story about how her dog was barking at the neighbors. At no point did she put anyone in danger with a knife.…