Meghan, 40, was in high spirits as she gazed out of the window, with a more reserved Harry, 37, peeking over her shoulder while they travelled near Buckingham Palace.
RICHARD KAY: When they did edge into sight through the open windows of a VIP viewing area, Harry and Meghan were seen only with the most junior or most obscure of royals.
The monarch, who wore her Guards brooch and the blue Angela Kelly outfit used in her official Platinum Jubilee portrait, exclaimed incredible! from the Buckingham Palace balcony today.