Los Angeles

"I think I'm quite well known for my double chin, so I feel comfortable with people seeing it. But I think when it comes to feeling happy and actually having energy to be able to film for long periods of time, that's what it comes down to. I think it was weirdly easier to stay in shape when I was on tour because we were performing on stage and there was always a gym in the hotels," said the singer in an interview with The Sun, reports femalefirst.co.uk.