Actress Helen Mirren has vowed that she will not quit stripping off - both on and off screen.The Oscar-winning actress, who is popular for disrobing in Calendar Girls and Caligula, will not let her age come in the way of her obsession for nudity.The 62-year-old actress has revealed that she has visited nudist beaches and feels good when the people surrounding her are naked too."I am a nudist at heart. I have been on many nudist beaches. It is amazing how quickly feelings of self-consciousness disappear. Of course it only works if everyone else is naked, too," the Daily Express quoted Mirren, as saying."I have never said 'never again' to nudity and I am not going to," she added.