By Debbie Emery - Breaking Celebrity News Reporter

Her explicit revelations of shocking drug-use and a devil-may-care attitude catapulted Cat Marnell into notoriety earlier this month when she dished on her indulgent lifestyle packed with crazy narcotic cocktails, bulimia, abortions and doctor shopping.

The outrageous party-girl has since claimed that she is turning her life around and quitting her Amphetamine Logic column on Vice.com, but Breaking Celebrity News has exclusively learned that her good intentions are simply a self-promoting fabrication.

"She’s pretending to clean up her act but it’s all a joke. Her being sober is not true," a close friend of Cat's told Breaking Celebrity News in an exclusive interview.

"Everything about her not smoking PCP for a month is a lie, I was out with her two weeks and I know for a fact she was on it," revealed the party pal.

As Breaking Celebrity News previously reported, the former Conde Nast and xojane.com beauty editor traded in her professional title after years of working her way to the top for the sake of a drug-fueled social scene that keeps her up all night at Manhattan hot spots.

"I couldn't spend another summer meeting deadlines behind a computer at night when I could be on the rooftop of Le Bain looking for shooting stars and smoking angel dust with my friends," she recently spilled to Page Six Magazine in a controversial interview.

After turning 30 last week, Marnell told the New York Observer that she had turned over a new lea