Anna is sitting flicking through the Guinness Book of Records with Amaia. So we now know the oldest person, the person with the longest nails, the tallest dog, the smallest hamster etc. Anna read the stats out for each of these, then turning the page read out to Amaia: The longest living reigning Monarch is Queen Elizabeth the 2nd.Quick as a flash Amaia replied: And how long is she exactly - 1 metre 50? 1 metre 60?!