Grillo stated that she first saw the "Nigella Kitchen" host using the drug while she was married to late John Diamond, who died in 2001.
"I was cleaning and I noticed a little packet on top of the toilet. It was a little funny envelope. I saw white powder. I saw cash, like 20 pound notes, rolled up and once noticed a credit card with white powder and a CD with white stuff on," Grillo said.