US singer Chris Brown has been sentenced to 180 days' community labour and five years' probation for assaulting pop star Rihanna. The case concluded yesterday with Chris Brown pleading guilty of beating Rihanna, his former girlfriend, before the Grammy awards in Los Angeles in February.

According to ABC News there were two prior incidents involving physical violence between the pair. Brown must also stay at least 100 yards from Rihanna for the next five years, unless they attending music industry events.

In more positive news Jay-Z has joined forces with Rihanna for his new music video. Click on for the video: