Hayden Christensen was 20 in Star Wars: Episode II - Attack of the Clones when he played the character 'Anakin Skywalker'.
That was over 22 years ago in 2002.
Today he is 43, and has starred in 35 movies in total, 22 of those since Star Wars: Episode II - Attack of the Clones was released.
In Star Wars: Episode II - Attack of the Clones, I think Hayden Christensen looks: