Zayn Malik was 17 in One Direction: A Year in the Making when he played the character 'Himself'.
That was over 13 years ago in 2011.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 31, and has starred in 10 movies in total, 9 of those since One Direction: A Year in the Making was released.
In One Direction: A Year in the Making, I think Zayn Malik looks: