I bet her dentures (if HRM has them) would not fall out in public.

The Queen accompanied by the Captain and Lieutenant Commander Anthony Leeson inspects the front rank of the Royal Guard as The Princess Royal inspects the rear rank. pic.twitter.com/DxnSRvE0Jh

— The Royal Family (@RoyalFamily) December 7, 2017

I understand the Queen, as a low-class person, keeps dogs in the Palace. Trump would be horrified.