The Villain King Little Kitty

Aella was the daughter of Duke Nikos of Aurelia. she is the most beautiful girl in the whole kingdom. She is kind but sassy girl who is not afraid to snap at people that talk ill about her friends and family.
One day the royal advisor of the king came. The King want her as his wife. He saw her at the field near the duke's manor one day and fell in love with her.
The Duke begrudgingly accept his proposal for the king is a wicked tyrant who every people fear. That week Aella marry to the tyrant king and became Queen.
Everyday she expresses her dislike and displeasure toward the king but got ignored as the king never stop showing his affection toward her. Even to the point of threatening her to make her submit to him.

But what the king and the whole kingdom including her family did not know is that she is secretly a shifter and a sorceress. She is known as a hero to those who were oppressed by the tyrant king. She goes by the alias....Ailouros for her favourite animals to shift are tigers, panther, lion and other animals from the cat family. How will Aella secretly help and protect the people from the tyrant king without the tyrant king knowing?

and is the king clever enough to figure out who she is?