That was over 29 years ago in 1992.
Today he is 78, and has starred in 38 movies in total, 12 since Lethal Weapon 3 was released.
In Lethal Weapon 3, I think Joe Pesci looks:
Lethal Weapon 3 scores 6.4 out of 10 on The Movie Database.
Joe Pesci's first acting role was as 'Joe' in The Death Collector, released in 1976 when he was 33.