Amy WinehouseAmy Winehouse has sparked rumours that she uses cocaine after she was photographed with traces of white powder around her nostrils on her way to Oasis’ post-Brits party on Wednesday night.

The News of the World has printed the picture, with a onlooker quoted as saying: “It was late and Amy was totally off her face, but somehow she still had loads of energy.”

“She was jiggling around and whistling to herself. When she got in the cab she started wiping her nose furiously.”

Amy has previously admitted to smoking cannabis but insists it was nothing serious: “I was doing a few drugs but only dabbling. Cocaine isn’t really my thing.”

Her dad, Mitch, told the Sun that he doesn’t worry about Amy’s drug use or drinking: “My daughter isn’t drug-crazed. Even when I was a young man I dabbled – what young person hasn’t?”

“[And] I don’t think she is an alcoholic. If you’re an alcoholic, you drink every day.”