Rupert Grint was 16 in Harry Potter and the Goblet of Fire when he played the character 'Ron Weasley'.
That was over 18 years ago in 2005.
Today he is 34, and has starred in 24 movies in total, 18 of those since Harry Potter and the Goblet of Fire was released.
In Harry Potter and the Goblet of Fire, I think Rupert Grint looks: