Shawn Ashmore was 25 in X-Men: The Last Stand when he played the character 'Bobby Drake / Iceman'.
That was over 18 years ago in 2006.
Today he is 44, and has starred in 40 movies in total, 23 of those since X-Men: The Last Stand was released.
In X-Men: The Last Stand, I think Shawn Ashmore looks: