That was over 7 years ago in 2015.
Today he is 61, and has starred in 37 movies in total, 4 since The Diary of a Teenage Girl was released.
In The Diary of a Teenage Girl, I think Christopher Meloni looks:
The Diary of a Teenage Girl scores 6.8 out of 10 on The Movie Database.
Christopher Meloni's first acting role was as 'David' in Something to Live for: The Alison Gertz Story, released in 1992 when he was 31.