Debbie Harry dyed her hair blonde because she was “bored”. The singer’s famous barnet gave her band the name Blondie after a truck driver shouted it at her on the street and now her bandmate Chris Stein has revealed it all came about because Debbie worked at a salon and decided to ditch her brunette locks during a slow day when she didn’t have any customers. In his new book ‘Under a Rock’, Chris wrote: “I was in Debbie’s apartment one afternoon and she came back from work at the salon in New Jersey and I saw that she had dyed her hair blonde. “She said they hadn’t had many customers and she an…