I am Queen Regent, not some broodmare.
Game of Thrones Season 3, Episode 5
I suppose it is former Queen Regent now.
Game of Thrones Season 4, Episode 2
Lord Stark, King Joffrey and the Queen Regent
request your presence in the Throne Room.
Game of Thrones Season 1, Episode 7
and Cersei Lannister, the Queen Regent.
Game of Thrones Season 4, Episode 2
Joffrey and the Queen Regent must renounce
all claim to dominion of the North.
Game of Thrones Season 2, Episode 1