Most visitors to Iceland tend to spend just a few hours in Reykjavik before moving on to the geological wonders beyond. I think they are missing out.

I haven't done Botox. Although there are a few women on screen who do, and if you don't do it, which I don't, you look pretty rough by comparison.

My own valuation moment: When I started 'Antiques Roadshow,' John Benjamin looked at my engagement ring, which is Victorian. I sat there as a visitor would and he dated it, talked me through the stone, which is an opal, and which mine it would have been from.

If I were to say anything to my 18-year-old self, it would be, 'Loosen up. Chill out.'

I was born in Singapore, but I left at four so memories are hazy.

My Duke of Edinburgh interview for his 90th in June 2011 was not one of my successes. I knew what to expect: there were some very uncomfortable moments and put-downs, but I think it made for entertaining viewing.