None of us had any idea of how successful Downton was going to be. I thought I was signing up for another period drama that had a slightly modern feel. It had a freedom about it because it was coming out of the head of Julian Fellowes. Anything could happen and generally did.
That term's definitely got a negative aura to it because people think a diva is somebody with an attitude who demands things all the time. Of course there is that type of diva but my idea of a diva has always been a singer - whether male or female - who gets on that stage and captivates you with their presence and their voice.