We would've preferred it if Mirren had done another impression of The Queen while horsing into the helium, but  - alas - that wasn't to be. On the upside, Fallon does coerce her into saying 'spotted dick'.

 




Given the wacka wacka music, one can only being to imagine what Questlove gets up to with large red balloons... but it was only natural for them to swap; the blue does match Mirren's dress.