Robert Pattinson was 17 in Vanity Fair when he played the character 'Older Rawdy Crawley (uncredited)'.
That was over 20 years ago in 2004.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 38, and has starred in 41 movies in total, 39 of those since Vanity Fair was released.
In Vanity Fair, I think Robert Pattinson looks: