The actor donned a black t-shirt and maroon pants and had tied up half of her curly hair for the character.
But if we believe the rumors, she has been dating fellow actor Alejandro Tous, and he is the father of her child.
The craziness around the show is so much so that everyone wants to stay updated about each and everything about the cast-- be it Professor or Tokyo.
She is well known as television host and reporter for her role as Monica Gaztambide in Money Heist.
With patient fans eagerly awaiting for season five to air, actress Esther shared the snap on social media, captioned The Kids are Alright.
Every year on the 19th of January, Esther celebrates her birthday.