LONDON -- Okay, so the Queen of England has just materialised in front of you – what do you say to her? GO.
This was the question we put to some mildly perplexed tourists outside Buckingham Palace, and it's fair to say we got a pretty mixed range of responses.
From "Hi Lizzie" to "How are the corgis?", the main thing that can be drawn from the above video is that most people have absolutely no idea what they'd say if they happened to bump into the woman who this week becomes Britain's longest ever serving monarch.
BONUS: A corgi tea party in honor of the Queen's 63-year-reign