LONDON: British celebrity chef Nigella Lawson will not face an investigation into claims of cocaine use which emerged during her personal assistants’ fraud trial, police said on Friday.

Italian sisters Elisabetta and Francesca Grillo were cleared Friday of fraudulently spending £685,000 ($1.12 million) on a company credit card owned by Lawson’s then-husband, the millionaire art collector Charles Saatchi.

In a trial that saw details of the couple’s private lives splashed across the newspapers, the assistants claimed Lawson had allowed them to spend thousands of pounds on designer handbags, first-class flights and other luxuries if they kept quiet about her cocaine use.

Lawson, who has made a fortune with her TV series and cookbooks in Britain and the United States, insisted she was not addicted to drugs and had only used cocaine and cannabis occasionally in the past.

London’s Metropolitan Police said they would not be investigating allegations of drug use by the 53-year-old at this time. “Should any evidence, and that includes material from the trial, that could be investigated come to light, this decision will be reviewed,” police said in a statement.

Lawson had complained during the trial that she was treated more like a defendant than a witness, after the assistants’ lawyers repeatedly grilled her about the drug allegations.