The Queen received several people for audiences at Buckingham Palace, including the Most Reverend Desmond Tutu.
Gallery: The Queen, in her capacity as Sovereign Head of the Order of St John, receives the Most Reverend Desmond ... http://t.co/DW3yhzU24j
— TheBritishMonarchy (@BritishMonarchy) November 21, 2013
I found this explanation (above and in their linked Flickr site) for the visit interesting. Like, just in case you thought he'd just popped by for some gossip and a scone. Nope.