That was over 7 years ago in 2014.
Today he is 27, and has starred in 16 movies in total, 11 since The Fault in Our Stars was released.
In The Fault in Our Stars, I think Ansel Elgort looks:
The Fault in Our Stars scores 7.6 out of 10 on The Movie Database.
Ansel Elgort's first acting role was as 'Tommy Ross' in Carrie, released in 2013 when he was 19.