Harry was adopted aged three months. Her family includes a born-to sister and a cousin who lived with her parents.
She spent most of her twenties working at odd jobs, including spells as a secretary, a cocktail waitress and a Playboy bunny girl, and rubbing shoulders with the Andy Warhol set at a club called Max's Kansas City.
She became singer with the group Blondie (1973-81, revived in 1999), and one of the main punk rock figures. She is also an actress, with credits including Union City, Videodrome, Hairspray, Drop Dead Rock and Heavy.
Until 1984 she was a heroin user.