The Queen gets a phone call from George W Bush, retired former US President and now an accomplished dog portraitist.
'Ma'am, I'm branching out to paint people,' Dubya tells HM, 'so would you do me the honor and be my first sitting? You know, I've always dreamed of painting Your Majesty in the nude!'
After a slight pause the Queen replied:
'Don't be so stupid, George, you know you'll catch your death of a cold.'