Donald Glover was 30 in Alexander and the Terrible, Horrible, No Good, Very Bad Day when he played the character 'Greg'.
That was over 10 years ago in 2014.
Today he is 40, and has starred in 27 movies in total, 15 of those since Alexander and the Terrible, Horrible, No Good, Very Bad Day was released.
In Alexander and the Terrible, Horrible, No Good, Very Bad Day, I think Donald Glover looks: