There was more bad news for the Douglas family on Wednesday when Cameron Douglas had an extra 4 1/2 years added to his current prison sentence for drug dealing.

The troubled son of Michael Douglas and grandson of Kirk was already serving a five year sentence for trafficking, but that time has now been almost doubled after he was convicted of possessing drugs behind bars.

As RadarOnline.com previously reported, Douglas, who was sentenced to five years in prison in April after he pleaded guilty to possession and dealing methamphetamine and cocaine, once again admitted his guilt to having drugs in jail after illegal substances were found in his cell.