How old was Hilary Duff in What Goes Up?

Sometimes, a character’s impact makes us want to know more about the person portraying them. It can shift our perspective on their journey and achievements. Here’s the answer to that particular curiosity.

In What Goes Up, Hilary Duff took on the role at the age of:

21 years old

Based on our estimate, that was the actual age of the celebrity at the time.

To determine the age, we considered the first day of the year What Goes Up premiered:

January 1, 2009

And the date of birth of Hilary Duff:

September 28, 1987

Because movies often premiere within a year of starting production, Hilary Duff might have been either one year younger or older while filming some scenes.