That was over 7 years ago in 2014.
Today he is 18, and has starred in 12 movies in total, 7 since St. Vincent was released.
In St. Vincent, I think Jaeden Lieberher looks:
St. Vincent scores 7.1 out of 10 on The Movie Database.
Jaeden Lieberher's first acting role was as 'Oliver Bronstein' in St. Vincent, released in 2014 when he was 11.