Blondie star Debbie Harry uses a special card given to her by a New York cop to avoid incurring costly fines for driving offences.

The iconic singer admits police officers sometimes let her off with a warning when they realise they have pulled over a rock star, but now she has gone one better by obtaining a card stating she is a "friend" of cops in the Big Apple.

The canny rocker places it next to her driving licence in her purse so officers spot it when she shows them her credentials - and it works every time.

Asked if she ever uses her fame to get around traffic offences, Harry tells Q magazine, "Well, sometimes I don't have to. I have a friend who's a New York City sergeant. He gave me a special card to say I'm a friend of the New York City police.

"One time I was pulled over and that card was very conveniently placed close to my driver's licence. They let me go with a warning... If it was a serious offence it might not mean s**t."