VIDEO : 10 etiquette rules guests must follow at the royal wedding

There is certain etiquette and rules to follow when attending a royal wedding.
Meghan Markle and Prince Harry's wedding is no exception.
The dress code for the wedding includes tights and hats for the day time ceremony.
The evening reception requires floor-length dresses that cover the shoulders.
Guest also have to use knives and forks correctly at dinner.
Also, holding up your pinky while drinking tea is considered rude.