Drug overdose killed Anna Nicole Smith

Anna Nicole Smith died of an accidental drug overdose, officials in Florida have revealed.

The Playboy model, reality TV star and actress was found dead in a hotel in Seminole, Florida on February 8. She was 39.

Broward County Medical Examiner Joshua Perper said that Smith accidentally overdosed on pain killers. She had been taking a variety of anti-anxiety drugs and pain killers at the time of her death.

Broward County Police Chief Charlie Tiger said that there were no signs of foul play and no evidence of illegal drugs.

He said: "We have reviewed hundreds of hours of video, tape captured by the hotel security cameras and we found nothing unusual."