Heather Langenkamp was 21 in A Nightmare on Elm Street 3: Dream Warriors when she played the character 'Nancy Thompson'.
That was over 37 years ago in 1987.
Today she is 59, and has starred in 35 movies in total, 28 of those since A Nightmare on Elm Street 3: Dream Warriors was released.
In A Nightmare on Elm Street 3: Dream Warriors, I think Heather Langenkamp looks: