Jaden Smith was 7 in The Pursuit of Happyness when he played the character 'Christopher Gardner'.
That was over 17 years ago in 2006.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 25, and has starred in 23 movies in total, 22 of those since The Pursuit of Happyness was released.
In The Pursuit of Happyness, I think Jaden Smith looks: