Ariana Rockefeller, The Glam Rider
Seriously, what is it with rich parents putting their infants on horses!?
Haven't any of these people seen Gone With The Wind?
As legend (and Wikipedia) has it, Ariana Rockefeller, whose last name obviously needs no context, began riding horses when she was three years old (insert eye roll here).
She competed on her high school equestrian team, took a break from riding while studying at Columbia University, and then stepped back on the competitive show scene in 2012 after her grandfather bought her a horse.
[Photo via @arianarockefeller]