Sean O'Pry was 25 in Taylor Swift: The 1989 World Tour - Live when he played the character 'Self'.
That was over 8 years ago in 2015.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 34, and has starred in 2 movies in total, 1 of those since Taylor Swift: The 1989 World Tour - Live was released.
In Taylor Swift: The 1989 World Tour - Live, I think Sean O'Pry looks: