US President Donald Trump spent a busy three days in Britain for the official state visit, during which he was dined and served by various members of the royal family, including Prince Charles, Camilla Parker Bowles and Prince Harry.
Queen Elizabeth has always ensured that on every special occasion she not only warmly welcomed her American guests, but she also did her royal best.
Monday the State Banquet was held in Buckingham Palace and attended by Her Majesty, Kate Middleton, and her husband, the Duke of Cambridge.
While Kate amazed the crowd in a stunning white dress by Alexander McQueen, Queen Elizabeth II wore something even more breathtaking, the Burmese ruby tiara.
The special headpiece has a rich history, with the queen leaving the ruby and diamond tiara for the first time in 1973 on behalf of the British jeweler The House of Garrard.
It is said that the tiara was made entirely by hand and that 96 rubies (the gems were a wedding gift from the people of Burma) were affixed to it.
The breathtaking tiara also has diamonds from the Nizam of Hyderabad.
But why is this tiara so special?
According to Burmese tradition, rubies are said to protect their owner (or in this case, the wearer) from harm and disease.
Whether the tiara manages to dispel any malice remains to be seen, but it is certainly beautiful!