Katy Perry feels under pressure to be a sex goddess

The 'I Kissed A Girl' singer says it's a struggle trying to keep up with her fiance, who was previously famed for his womanising ways, but she tries her best. She said: "Can you imagine the kind of responsibility I have with his reputation? I'm bedridden most of the week."The 25-year-old star - who has been dating the British funnyman since last September - also believes she has worked out a