Does the royal family address the Queen as "Your Highness" or "Your Majesty"?

have seen in movie historic character royal family addressed queen either "your highness" or "your majesty" , remember friend laughing @ because said incorrect royal family member's perspective. oh yes, character 20th/10th on line throne.

i have seen in movie historic character royal family addressed queen either "your highness" or "your majesty" , remember friend laughing @ because said incorrect royal family member's perspective. oh yes, character...

Society & Culture Royalty Next