According to mwza.com, Chris Brown may be in big trouble for violating the rules of his probation.After being sentenced on Tuesday, Brown decided to celebrate by hitting West Hollywood hotspot Guys and Dolls, the only problem is that the singer is too young to be in that club.Los Angeles Probation Department spokeswoman Kari Webb said this: "(Breaking probation) won't be taken lightly. If you break the law, you're in trouble."