CHRIS BROWN could live to regret his celebratory night out in Los Angeles hours after he was sentenced for beating up ex-girlfriend RIHANNA - he broke the rules of his probation as he was too young to be in a club.
The disgraced singer faced an L.A. Superior court judge on Tuesday as he was given a five year probation order, as well as six months hard community labour after he was convicted of assaulting his former lover in February.
He was also ordered to stay away from Rihanna for the same period of time and to report for community duties within 72-hours of sentencing.
However, Brown shocked fans by showing little remorse over the vicious attack by heading for a night out on the town at West Hollywood hotspot Guys and Dolls.
The star even grabbed the mic during Michael Jackson's hit Dirty Diana and told the crowd: "There was only one King of Pop. We love you, Michael."
Now he is facing a possible investigation into his actions - as, at 20 years old, he is too young to enter nightclubs and bars in America, according to strict U.S. drinking age limits.
The venue he frequented had a Type 48 liquor licence, meaning it is only a bar or club and not a restaurant.
Los Angeles Probation Department spokeswoman Kari Webb tells E! News, "It (breaking probation) won't be taken lightly. If you break the law, you're in trouble."
Despite Brown sticking to water throughout the evening, his entourage ordered 10 bottles of champagne, and he would have only been allowed to stay in the club if he was hired as a performer.