That was over 33 years ago in 1989.
Today he is 67, and has starred in 113 movies in total, 98 since Look Who's Talking was released.
In Look Who's Talking, I think Bruce Willis looks:
Look Who's Talking scores 5.8 out of 10 on The Movie Database.
Bruce Willis' first acting role was as 'Extra (uncredited)' in Ein Guru kommt, released in 1980 when he was 25.