Or it was a slap in the face to the Queen - using a cherished family nickname without asking if it was OK...
If you look up the word ‘tacky’ in the dictionary you’ll see a picture of Meghan beside the definition...
“Mules in horse harness” can be used to describe a person who looks pretty, modern, and even elegant, but is actually selfish, snobbish, or lacking in elegance of the mind.”