A Visual History of Mary-Kate Olsen on Horses The Citizen 6 years ago Who can make the case for equestrian chic like fashion “horse girl” Mary-Kate Olsen? Source: W Magazine Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to share on WhatsApp (Opens in new window) WhatsApp