Empty room getting statuary displaying monarch (4,6)

'monarch' is the definition.

'empty room getting statuary displaying' is the wordplay.
'empty' means to remove the middle letters.
'getting' is a charade indicator (letters next to each other).
'displaying' indicates an anagram (the anagrammed letters display the answer).
'room' with its middle taken out is 'rm'.
'rm'+'statuary'='rmstatuary'
'rmstatuary' with letters rearranged gives 'MARY STUART'.