TMZ is reporting that Heather Locklear was arrested last night under suspicion of driving under the influence of a prescription drug after a neighbour reported that she was driving eratically.  After pulling her over the officer determined she was under the influence of something and arrested her.  She was released shortly thereafter and without having to post bail.

Heather Locklear spent about a month in rehab for treatment of depression this June and was doing great.  That came after her split from Richie Sambora, who also was arrested this year for dui.  When he was arrested their daughter Ava was in the car with him.

Getty Images