Cate Blanchett was 43 in The Hobbit: The Desolation of Smaug when she played the character 'Galadriel'.
That was over 10 years ago in 2013.
Today she is 55, and has starred in 104 movies in total, 40 of those since The Hobbit: The Desolation of Smaug was released.
In The Hobbit: The Desolation of Smaug, I think Cate Blanchett looks: