She was already a regular at the famed Studio 54 when she was a little girl, smoking cigarettes at age nine, drinking alcohol by the time she was 11, smoking marijuana at 12, and snorting cocaine at 13. Her nightlife and constant partying became a popular subject with the media. She was in rehab at age 13. A suicide attempt at age 14 put her back in rehab, followed by a three-month stay with singer David Crosby and his wife. The stay was precipitated, Crosby said, because she "needed to be around some people that were committed to sobriety."
Kirstie Alley was notorious cokehead around the time she was on Cheers.