The challenge is to keep it fresh. If you're talking about Britney Spears over and over, it's very hard to keep that interesting.
Most of the time it's the parents who recognise me. They try to tell their kids, 'Look, it's Giselle,' and I say, 'No, no, no, don't ruin this for them,' because I'm usually standing there with my hair sideways and no make-up on. And the kid is saying, 'That is not Giselle. No way. That is some worn

