Ezra Miller was 25 in Fantastic Beasts: The Crimes of Grindelwald when they played the character 'Croyance Bellebosse'.
That was over 5 years ago in 2018.
Today they is 31, and has starred in 21 movies in total, 5 of those since Fantastic Beasts: The Crimes of Grindelwald was released.
In Fantastic Beasts: The Crimes of Grindelwald, I think Ezra Miller looks: