How old was Justin Bieber in Bieber Fever?

When watching a memorable performance, one might wonder how old a celebrity was at the time. Knowing that can offer insight into their career stage and personal growth. We’ve got the answer you’ve been looking for.

Justin Bieber was this age when he appeared in Bieber Fever:

15 years old

That was the real age of the celebrity according to our calculation.

This age was calculated based on the beginning of the release year of Bieber Fever:

January 1, 2010

And the birth day of Justin Bieber, that is:

March 01, 1994

Given that most films are released within a year of production, the actual age of Justin Bieber during filming may have varied by one year from the shown age.