Her Majesty the Queen
Formal title used when addressing or referring to a queen. Used in official contexts.
Her Majesty the Queen graced the ceremony with her presence.
Refers to 'His Majesty the King', the male counterpart to 王后陛下.
Refers to 'Her Majesty the Queen' when the monarch is a reigning queen, whereas 王后陛下 is used for a queen consort.
Compound of 王后 (queen consort) and 陛下 (Your/Her Majesty).