Gwen Stefani has revealed she refused to sign the wrist of a fan who wanted to have a tattoo of her signature.The 'Wind It Up' singer finds it weird that so many fans have tattoos in tribute to her and feels guilty about their parents' reaction.Gwen said: "This guy asked me to sign his wrist because he wanted to have it tattooed and I said, 'I'm sorry, I'm not doing that.'"So many of my fans have tattoos of me and I find it quite weird. I can just see their parents smacking them round the head and shouting, 'What were you thinking?!' "The 37-year-old pop superstar also admits she finds having fans worship her uncomfortable.She said: "Just having fans at all is so weird."

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