Has fame gone to party dresses Justin Bieber's head?

 

The 17-year-old singer played a troubled teen in a multi-episode guest appearance on "CSI" this past winter and he wedding gowns must have been doing method acting -- because he was "a brat," reveals the CBS show's star Marg Helgenberger.

 

"I probably shouldn't say this, but he was kind of a brat," the actress said in an interview with French radio show Le Grand Direct des Medias bridal gown bridal dress on Friday.

 

Although Helgenberger said he was nice to her in the one scene they shared, he didn't have the same love for prom dress cocktail dress some of the crew.

 

"He locked one of the producers in a closet," she added. "And he put his fist through a cake that was on the craft services table."

 

It's unclear if Bieber's evening dresses bad behavior had any influence on his character's demise: he was shot and killed during a police standoff.