Britney Spears reportedly caused a chaotic scene inside a Los Angeles-area restaurant after witnesses claimed the pop star screamed, barked, and behaved erratically. TMZ reported that the pop star attended the Blue Dog Tavern in Sherman Oaks on Wednesday with a man and a woman, and began acting strangely. The outlet reported that shortly after she arrived, Spears sat at a corner table in the venue and began yelling, barking, and behaving loudly. One witness who heard the screams described the scene as “kind of sad,” according to TMZ. dailycaller.com