When I first started working on 'Secret Diary,' I definitely...

When I first started working on 'Secret Diary,' I definitely felt like I needed to shape up. The idea of being in my knickers on TV was a great incentive! Now I try to eat right, and I go to Bikram yoga three or four times a week. I have my 'naughty' days, and I indulge in pizza and cake, but so what!